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Updated: 2020-May-29 16:20 UTC. Entries: 300. An account's N value is the number of Mathematicians on Twitter following it, and dark shading indicates the account is a member of that list. Switch to grid view. Feedback: @TrueSciPhi.

# | Account | N |

1. | Evelyn Lamb@evelynjlamb Math and science writer. Complex analysis fangirl. Half of @myfavethm. She/her. Black lives matter. blogs.scientificamerican.com/roots-of-unity/ Salt Lake City, UTtinyletter.com/evelynjlamb7 years on Twitter 12,544 followers | 120 |

2. | Steven Strogatz@stevenstrogatz Mathematician, writer, Cornell professor. All cards on the table, face up, all the time. Ithaca, NYstevenstrogatz.com8 years on Twitter 80,643 followers | 118 |

3. | American Mathematical Society@amermathsoc The American Mathematical Society is dedicated to advancing research and connecting the diverse global mathematical community. Providence, Rhode Island USAams.org10 years on Twitter 47,903 followers | 113 |

4. | MAA@maanow The Mathematical Association of America is the world's largest community of mathematicians, students, and enthusiasts. Join us! maa.org/join maa.org10 years on Twitter 74,043 followers | 108 |

5. | math prof@mathematicsprof I am a professor of mathematics with interests in partial differential equations. pinterest.com/mathematicsprof11 years on Twitter 71,179 followers | 100 |

6. | Francis Su@mathyawp Professor, writer, truth & grace seeker. Past-president MAA @maanow. New book: Mathematics for Human Flourishing (2020) @Math4HF amzn.to/2OyHDD4 Pasadena CAfrancissu.com10 years on Twitter 9,545 followers | 96 |

7. | Hannah Fry@FryRsquared All math and no trousers CASA, UCL, Londonhannahfry.co.uk9 years on Twitter 139,852 followers | 91 |

8. | Timothy Gowers@wtgowers Mathematician. Royal Society Research Professor at University of Cambridge. Cambridge, England1 year on Twitter 19,136 followers | 88 |

9. | Dave Richeson@divbyzero Mathematics professor at Dickinson College, author of Tales of Impossibility (2019, Princeton U Press) and Euler's Gem (2008, Princeton U Press). Coffee drinker Carlisle, PA11 years on Twitter 15,607 followers | 87 |

10. | Ben Orlin@benorlin Lover of math, bad at drawing. he/him. Books: Math with Bad Drawings (2018), Change is the Only Constant (2019). amzn.to/2p4exRw Saint Paul, MNmathwithbaddrawings.com10 years on Twitter 13,807 followers | 84 |

11. | Nalini Joshi@monsoon0 mathematician, wife, mother, Professor, addicted to math Sydney, Australiamaths.usyd.edu.au/u/nalini/9 years on Twitter 10,881 followers | 84 |

12. | James Tanton@jamestanton An Aussie fellow promoting uplifting joyful genuine math thinking and doing for students & teachers alike. Honored: globalmathproject.org reaching millions! Phoenix, AZgdaymath.com10 years on Twitter 22,585 followers | 83 |

13. | National Museum of Mathematics@MoMath1 The only Museum in North America that celebrates the beauty and wonder of mathematics, located in New York City! ➞ #MoMath 11 East 26th Streetmomath.org10 years on Twitter 65,990 followers | 80 |

14. | John Carlos Baez@johncarlosbaez I do math, physics, and applied category theory at U. C. Riverside. Riverside, CAmath.ucr.edu/home/baez/3 years on Twitter 29,869 followers | 80 |

15. | Peter Rowlett@peterrowlett Teach mathematics & research maths education at @SHUmaths. #tmwyk with my son. Vice President at @IMAMaths. Blog: @aperiodical. Podcast: @mathsobjects. Nottingham/Sheffield, Englandpeterrowlett.net11 years on Twitter 12,819 followers | 80 |

16. | Dr. Kate Owens@katemath Mom🤱🏼& Mathematician🧮 at @CofC | Enjoys coffee☕️, local beer🍻, yoga🧘🏼♀️, nonfinitely axiomatizable equational theories generated by finite algebras (she/hers) Charleston, SCblogs.cofc.edu/owensks/11 years on Twitter 5,847 followers | 80 |

17. | Patrick Honner@MrHonner Math teacher. Instructional Coach. Writer. National STEM Ambassador. Presidential Award winner. @MathforAmerica MT. @QuantaMagazine columnist. @NYTimesLearning NYCPatrickHonner.com9 years on Twitter 16,104 followers | 79 |

18. | Jordan Ellenberg@JSEllenberg Math professor at Wisconsin. Author of HOW NOT TO BE WRONG. Madison, WIjordanellenberg.com7 years on Twitter 14,988 followers | 79 |

19. | Numberphile@numberphile Loving the world of numbers... New videos every week (and also occasional podcasts) by @BradyHaran MSRInumberphile.com8 years on Twitter 142,327 followers | 75 |

20. | Matt Parker@standupmaths #1 best-selling author, also maths clown. The US edition of Humble Pi is OUT NOW: bit.ly/humblepi Videos: youtube.com/standupmaths London, UKstandupmaths.com10 years on Twitter 101,243 followers | 74 |

21. | Erica Klarreich@EricaKlarreich Mathematics and science journalist. My work has appeared in Quanta, Nature, The Atlantic, New Scientist, Science News and other publications. Berkeley, Californiaericaklarreich.com7 years on Twitter 6,884 followers | 73 |

22. | Dan McQuillan@normalsubgroup Mathematician, mathematics educator and mathematics enthusiast. He/Him Vermont10 years on Twitter 4,800 followers | 73 |

23. | Grant Sanderson@3blue1brown Animated videos about math. FAQ/contact: 3blue1brown.com/faq youtube.com/c/3blue1brown5 years on Twitter 165,311 followers | 72 |

24. | Cathy O'Neil@mathbabedotorg I'm interested in algorithmic accountability, civil disagreement, and the social mechanism of shame. Algorithmic auditor at ORCAA. New Yorkoneilrisk.com8 years on Twitter 39,618 followers | 72 |

25. | Vincent Pantal🍩ni@panlepan Author w/@edsouthall of #GeometrySnacks (and More G.S.) • Former math teacher • Inspector • GeoGebra fanatic • #mathGIF • pro (fr): @VPantaloni & @irem_tice Francetarquingroup.com/geometric-snac…10 years on Twitter 13,269 followers | 72 |

26. | Emily Riehl@emilyriehl category theorist, working mathematician Baltimore, MDmath.jhu.edu/~eriehl8 years on Twitter 8,140 followers | 72 |

27. | Republic of Mathematics@republicofmath Mathematics of the people, for the people, by the people: encouraging mathematical happiness. They/theirs. Massachusettsawakenmathbrain.com10 years on Twitter 94,343 followers | 71 |

28. | Tai-Danae Bradley@math3ma Ps. 148 || math PhD || CUNY Graduate Center || blogger at Math3ma New York, NYmath3ma.com5 years on Twitter 13,991 followers | 69 |

29. | Anna Haensch@extremefriday Former Mass Media Fellow @NPR, Assistant Professor of Mathematics at Duquesne University and Research Data Scientist @hello_tagup. Pittsburgh, PAmathcs.duq.edu/~haensch/index…6 years on Twitter 3,232 followers | 69 |

30. | Quanta Magazine@QuantaMagazine Big ideas in science and math. Because you want to know more. Launched by @SimonsFdn. Newsletter: bit.ly/2KDcAoA 7 years on Twitter 122,637 followers | 68 |

31. | Maths History@mathshistory History of maths (math to some) tweets from the British Society for the History of Mathematics (BSHM). Mainly tweeted by @snezanalawrence UKbshm.ac.uk10 years on Twitter 76,145 followers | 68 |

32. | Dr Eugenia Cheng@DrEugeniaCheng Pure Mathematician and pianist. Aim: to rid the world of math(s) phobia. Author of "How to Bake π" (2015), "Beyond Infinity" (2017), "The Art of Logic" (2018). Chicagoeugeniacheng.com7 years on Twitter 15,069 followers | 68 |

33. | The Aperiodical@aperiodical Maths magazine/blog for people interested in mathematics. News, Videos, Features, Columns. Editors: @christianp, @peterrowlett, @stecks. aperiodical.com8 years on Twitter 11,614 followers | 67 |

34. | AssocForWomenInMath@AWMmath Encouraging women and girls to study and to have active careers in the mathematical sciences. Providence, RIawm-math.org5 years on Twitter 4,457 followers | 64 |

35. | Keith Devlin@profkeithdevlin Mathematician, author, radio broadcaster, and avid cyclist. Palo Alto, CA, USAprofkeithdevlin.com10 years on Twitter 16,315 followers | 63 |

36. | 2021 Joint Math Meetings@JointMath Mark your calendars for the Largest Mathematics Meeting in the World -January 6-9, 2021 Washington, DCjointmathematicsmeetings.org/jmm9 years on Twitter 6,366 followers | 63 |

37. | Card Colm Mulcahy@CardColm Prof of Mathematics at Spelman College. Author of Mathematical Card Magic crcpress.com/authors/i1249-… Blogger. VP of Gathering 4 Gardner. Atlanta, GAcardcolm.org9 years on Twitter 5,357 followers | 63 |

38. | John Urschel@JohnCUrschel MIT Mathematics PhD Student. Former NFL player. Penn Stater. Fiona Apple Enthusiast. For speaking/engagement requests, please email [email protected] math.mit.edu/~urschel/7 years on Twitter 55,604 followers | 62 |

39. | Alex Bellos@alexbellos Maths, puzzles, football, Brazil. Latest books: So You Think You've Got Problems?, Football School: The Ultimate Puzzle Book Londonalexbellos.com11 years on Twitter 26,804 followers | 62 |

40. | Holly Krieger@hollykrieger Mathematician, @Cambridge_Uni Lecturer, American expat still full of midwestern good cheer Cambridge, Englanddpmms.cam.ac.uk/~hk439/5 years on Twitter 11,337 followers | 62 |

41. | Joshua Bowman@Thalesdisciple Mathematician. Time Travel Consultant. Also interested in music, science (especially space), theology, & social justice. He/him. Poufsouffle. Los Angeles, CAthalestriangles.blogspot.com9 years on Twitter 2,985 followers | 62 |

42. | Mike Lawler@mikeandallie former math professor, current math and ultimate frisbee enthusiast. Love making fun math videos with my kids. mikesmathpage.wordpress.com10 years on Twitter 9,316 followers | 61 |

43. | Edmund Harriss@Gelada Mathematician Teacher Artist Maker, at the Uni of Arkansas. Author of Patterns/Visions of the Universe with @alexbellos, creator of @curvahedra. he/him/his Fayetteville, USAmaxwelldemon.com11 years on Twitter 5,910 followers | 61 |

44. | mathgrrl@mathgrrl math geek and defender of the universe - mathgrrl.com - she/her Laura Taalman Harrisonburg, Virginiamathgrrl.com11 years on Twitter 3,689 followers | 61 |

45. | Dr. Adriana Salerno Domínguez 🇻🇪@mathyadriana Math professor at @BatesCollege. Former Visiting Mathematician at @maanow. Venezuelan, music, movie and TV lover, and all around nerd. [She/her] Portland, ME3 years on Twitter 2,448 followers | 61 |

46. | Barack Obama@BarackObama Dad, husband, President, citizen. Washington, DCobama.org13 years on Twitter 118,133,922 followers | 60 |

47. | Justin Lanier@j_lanier not much, u? Lake Charles, LApeople.math.gatech.edu/~jlanier8/10 years on Twitter 4,597 followers | 60 |

48. | James Grime@jamesgrime Mathematician, juggler and comedy nerd - but not necessarily in that order. Not Cambridge, UKjamesgrime.com11 years on Twitter 62,933 followers | 59 |

49. | Catriona Shearer@Cshearer41 Maths teacher and fan of geometric puzzles. 2 years on Twitter 20,882 followers | 59 |

50. | ProfGhristMath@robertghrist illustrating & animating mathematics; penn professor; paterfamilias philadelphia, payoutube.com/c/ProfGhristMa…11 years on Twitter 9,463 followers | 59 |

51. | Henry Segerman@henryseg Mathematician, working mostly in 3-dimensional geometry and topology, and mathematical artist, working mostly in 3D printing and virtual reality. Stillwater, OK, USAsegerman.org12 years on Twitter 6,969 followers | 59 |

52. | Alex Kontorovich@AlexKontorovich #Math professor at @RutgersU. Editor-in-Chief of Experimental Mathematics @tandfSTEM. Dean of Academic Content at @MoMath1. Advisory Board at @QuantaMagazine math.rutgers.edu/~alexk1 year on Twitter 5,759 followers | 59 |

53. | MSRI@mathmoves Mathematical Sciences Research Institute: Believers in the power, beauty & importance of math! msri.org / @natmathfestival / linktr.ee/MSRI Berkeley, CAmsri.org10 years on Twitter 5,279 followers | 59 |

54. | Christian Lawson-Perfect@christianp Mathematician, koala fan, @aperiodical triumvir mathstodon.xyz/@christianp. He/him Whitley Bay, UKsomethingorotherwhatever.com13 years on Twitter 3,032 followers | 59 |

55. | John Allen Paulos@JohnAllenPaulos Math prof, bestselling author (Innumeracy, Mathematician Reads Newspaper, etc. Recently: A Numerate Life amzn.to/1LIargm), columnist, speaker, ponderer. Philadelphia, PAjohnallenpaulos.com10 years on Twitter 31,471 followers | 57 |

56. | TrueSciPhi / Kelly Truelove@TrueSciPhi A window on science, philosophy, and mathematics communities on social media, by Kelly Truelove (physics PhD). Photo info at instagram.com/TrueSciPhi. Austin, TexasTrueSciPhi.org5 years on Twitter 8,361 followers | 57 |

57. | Kelsey Houston-Edwards@KelseyAHE Mathematician // AssistProf @OlinCollege // Formerly: @PBSInfinite and @NOVApbs 5 years on Twitter 6,885 followers | 57 |

58. | Federico Ardila@FedericoArdila Math profe (SFSU), Director (MSRI-UP), Faculty Agent of Change (SF Build), DJ (La Pelanga), percussionist, wannabe futbolista. San Francisco . Bogotámath.sfsu.edu/federico7 years on Twitter 3,390 followers | 57 |

59. | Alexander Bogomolny@CutTheKnotMath Freelance mathematician and educational web developer. I am a proud Israeli American, with love and respect for both countries. NJ, USAcut-the-knot.org8 years on Twitter until last tweet (2018-Jul-06) 23,636 followers | 56 |

60. | Dr. Diaz Eaton@mathprofcarrie 🌈Latina prof of #modeling and #computation at liberal arts college, researching evolution, ecology, social systems, #equity, and #highered. Tweets are my own. Wabanaki lands (aka Maine USA)inquire.catapult.bates.edu11 years on Twitter 2,521 followers | 56 |

61. | John D. Cook@JohnDCook Consultant in applied math, statistics, data privacy Houstonjohndcook.com11 years on Twitter 37,867 followers | 55 |

62. | Matt Henderson@matthen2 maths, visualisations, conversational AI. lead scientist @Poly_AI, previously @GoogleAI, PhD @Cambridge_Uni. living in Singapore. he/him Singaporematthen.com10 years on Twitter 26,308 followers | 55 |

63. | James Propp@JimPropp I'm a professor at UMass Lowell. I write a monthly blog called Mathematical Enchantments (mathenchant.org). Sometimes I’m facetious w/o using smileys. 4 years on Twitter 3,107 followers | 55 |

64. | Dr. Wandering Point@WanderingPoint Mathematician, feminist, having a small adventure in the capital city. 5 years on Twitter 2,011 followers | 55 |

65. | Marcus du Sautoy@MarcusduSautoy Simonyi Professor for the Public Understanding of Science and Professor of Mathematics. Author of The Creativity Code (Fourth Estate), out March 2019. simonyi.ox.ac.uk11 years on Twitter 52,305 followers | 54 |

66. | Simon Pampena@mathemaniac Australian Numeracy Ambassador | Standup Mathematician | Transcendent Nerd | SCI TV Outrageous Acts of Science Australia11 years on Twitter 21,600 followers | 54 |

67. | London Maths Society@LondMathSoc The London Mathematical Society (LMS), founded in 1865, is the UK's learned society for #mathematics. Also home to @womeninmaths. De Morgan House, Londonlms.ac.uk5 years on Twitter 14,240 followers | 54 |

68. | Women in Mathematics@womeninmaths Women in Mathematics Committee of the London Mathematical Society (@LondMathSoc) UKlms.ac.uk/women-mathemat…7 years on Twitter 13,158 followers | 54 |

69. | Colin Wright@ColinTheMathmo PhD in mathematics, now perhaps best known for the presentation Juggling: Theory and Practice Wirral, UKsolipsys.co.uk/new/ColinWrigh…10 years on Twitter 6,668 followers | 54 |

70. | Scoffing Mathematician 🏳️🌈🇪🇺@BarbaraFantechi Full Professor in Geometry at Sissa since 2002. She/her, cis woman, #BiInSci. I have strong opinions and a loud voice. Name courtesy @Astropartigirl Europebarbarafantechi.com8 years on Twitter 4,234 followers | 54 |

71. | David Wees@davidwees Father. Canadian, Math Curriculum Designer for @DreamBox_Learn. Love science. Geek, Skeptic, Feminist, Humanist. Passionate about education. #MTBoS He/Him Comox Valley, British Columbiadavidwees.com11 years on Twitter 22,885 followers | 53 |

72. | Plus Magazine@plusmathsorg Plus magazine opens a door onto the world of maths, with news, reviews, feature articles, videos and podcasts with the people who make maths happen. Cambridge, UKplus.maths.org11 years on Twitter 16,605 followers | 53 |

73. | TJ Hitchman@ProfNoodlearms Mathematics Professor -- IBL teaching, geometry, knots, and soccer and trees and tea and parenting. he/him/his Cedar Falls, Iowasites.uni.edu/theron8 years on Twitter 2,078 followers | 53 |

74. | Katie Mack@AstroKatie (a.k.a. Dr Katherine J Mack) cosmologist, writer, connoisseur of cosmic catastrophes. @TEDFellow. Author: "The End of Everything (Astrophysically Speaking)" Waterloo, Ontarioastrokatie.com/book11 years on Twitter 353,429 followers | 52 |

75. | 🔺ʻAʻOLE TMT🔺NO KIDSnCAGES (Dr Piper)@pwr2dppl The Liberated Mathematician. The Real Racist. The Reason Democrats Lose. The Reason Women Aren't Respected. Etc. theliberatedmathematician.com/math4 years on Twitter 1,790 followers | 52 |

76. | John Golden@mathhombre Math teacher / math teacher ed @GVSUmath. Faith, family, teaching, #mathart, #mathgame, #mtbos, #mtechat, @GeoGebra, @desmos, MtG... (he/him) Grand Haven, MImathhombre.blogspot.com9 years on Twitter 8,929 followers | 51 |

77. | Katie Steckles@stecks Mathematician/maths communicator. Talks about maths. Non-hair-coloured hair. Auntie Dweeb. She/her. Manchester, Englandkatiesteckles.co.uk11 years on Twitter 5,809 followers | 51 |

78. | Dr. Izabella Laba@ilaba Mathematics professor at UBC. This is my personal Twitter account. Science, culture, social issues, and of course women in math. Vancouverilaba.wordpress.com10 years on Twitter 2,015 followers | 51 |

79. | Algebra Etc.@AlgebraFact Tweets about algebra, number theory, and miscellaneous math by @JohnDCook. JohnDCook.com10 years on Twitter 122,023 followers | 50 |

80. | ICERM@ICERM The Institute for Computational and Experimental Research in Mathematics (ICERM) supports and broadens the relationship between mathematics and computation. Providence, RIicerm.brown.edu9 years on Twitter 3,611 followers | 50 |

81. | Jo Boaler@joboaler Stanford Professor, British Maths Revolutionary, Author: Limitless Mind, Online course experimenter, co-founder: youcubed.org & avid Baggies Fan! Stanford Universityyoucubed.org9 years on Twitter 98,746 followers | 49 |

82. | Deanna Haunsperger@DeannaHMath Math Professor, President of the Mathematical Association of America, cheerleader for women and underrepresented groups in mathematics, mom 3 years on Twitter 1,377 followers | 49 |

83. | Natalie Wolchover@nattyover Physics writer and editor @QuantaMagazine. I have a Klein bottle that contains the universe. New York, New Yorkquantamagazine.org/authors/natali…10 years on Twitter 28,607 followers | 48 |

84. | Prof Ian Stewart@JoatStewart Author of Prof Stewart's Cabinet of Math Curiosities. Emeritus Prof and research mathematician at Warwick University. FRS. Writer, mainly popular science + SF. Coventry UKianstewartjoat.weebly.com8 years on Twitter 4,104 followers | 48 |

85. | Dr. Courtney Gibbons@virtualcourtney Three degrees of mathematician (comm alg). Prof at Hamilton College; tldr: cats. Mostly noise with a hint of signal. she/her/hers Clinton, NYcourtneygibbons.org12 years on Twitter 1,935 followers | 48 |

86. | Center of Math@centerofmath The #centerofmath is making #mathematics resources more accessible & affordable for all | youtube.com/centerofmath | #DOMATH | #math Cambridge, MA, USAcenterofmath.org10 years on Twitter 65,325 followers | 47 |

87. | Topology Fact@TopologyFact Tweets on topology and geometry from @JohnDCook. JohnDCook.com10 years on Twitter 53,290 followers | 47 |

88. | Ed Southall@edsouthall Maths Bloke / Speaker / Author amzn.to/2JmoTFv / Uni Lecturer (Edu) / PhD Student / △ Nerd / Orangutan / Runner / [email protected] / Podcast @knewyoupodcast UK8 years on Twitter 32,701 followers | 47 |

89. | IMA@IMAmaths The Institute of Mathematics and its Applications (IMA) is the UK's learned and professional society for mathematics and its applications. ima.org.uk9 years on Twitter 15,122 followers | 47 |

90. | MathFeed@MathFeed New! Math news aggregator: newspapers, blogs, videos, Amer. Math. Monthly, more. Get free iPhone/iPad app for more features. By Francis Su @mathyawp bit.ly/mathfeed3 years on Twitter 4,676 followers | 47 |

91. | My Favorite Theorem@myfavethm a joint podcast venture by Kevin Knudson (@niveknosdunk) and Evelyn Lamb (@evelynjlamb) GNV & SLCapple.co/2vJSU7S3 years on Twitter 3,382 followers | 47 |

92. | Fermat's Library@fermatslibrary A platform for illuminating academic papers. We publish an annotated paper every week. Our chrome extension for arXiv: fermatslibrary.com/librarian fermatslibrary.com4 years on Twitter 385,411 followers | 46 |

93. | SIAM@TheSIAMNews Society for Industrial and Applied Mathematics Philadelphiasiam.org10 years on Twitter 14,140 followers | 46 |

94. | The Fields Institute@FieldsInstitute The Fields Institute is a center for mathematical research. Our mission is to provide a supportive and stimulating environment for mathematics innovation. Toronto, Canadafields.utoronto.ca10 years on Twitter 8,159 followers | 46 |

95. | David Radcliffe (Stay 🏠 and save 👵)@daveinstpaul Ph.D. mathematician and web developer, interested in machine learning and quantum computing. Founder of the MN Quantum Computing Meetup. he/him St. Paul, MN10 years on Twitter 3,460 followers | 46 |

96. | Edray Herber Goins@edraygoins A mathematics professor at Pomona College who loves his iPhone as much as Mathematica. 40.450728,-86.90014pomona.edu/directory/peop…11 years on Twitter 2,212 followers | 46 |

97. | The Carnival of Math@CarnivalOfMath The Carnival of Mathematics is a monthly celebration of the mathematics blogging community. Submit posts & volunteer to host! Everywhere!aperiodical.com/carnival-of-ma…10 years on Twitter 22,415 followers | 45 |

98. | Michael J Barany@MBarany I make (historical and cultural) theories about (math and science) theories. Fields Medal killjoy. @UoE_STIS by day, @MathHistFacts by night. Texts, Contextsmbarany.com7 years on Twitter 2,295 followers | 45 |

99. | Siobhan Roberts@sioroberts Journalist, Author — Genius at Play + King of Infinite Space. Writing a biography of the mathematical logician Verena Huber-Dyson (forthcoming from Pantheon). to & frosiobhanroberts.com8 years on Twitter 1,805 followers | 45 |

100. | Dr. Talitha Washington@doctor_talitha #Mathematician. @NSF Program Director. @HowardU Associate Professor. All opinions are my own. Washington, DCtalithawashington.com9 years on Twitter 1,734 followers | 45 |

101. | Alexandria Ocasio-Cortez@AOC US Representative,NY-14 (BX & Queens). In a modern, moral, & wealthy society, no American should be too poor to live. 💯% People-Funded, no lobbyist💰. She/her. Bronx + Queens, NYCocasiocortez.com10 years on Twitter 6,968,018 followers | 44 |

102. | Maths Jam@MathsJam Maths Jam is an opportunity for self-confessed maths enthusiasts to meet in a pub & share puzzles, games, and other cool maths stuff. No spoiler replies please! mathsjam.com9 years on Twitter 25,585 followers | 44 |

103. | Edward Frenkel@edfrenkel Mathematician, @UCBerkeley professor, author of the New York Times bestseller LOVE & MATH published in 18 languages: amzn.to/1CZUWkz *Tweets are my own Berkeley, CAedwardfrenkel.com10 years on Twitter 11,422 followers | 44 |

104. | Joel David Hamkins@JDHamkins Mathematics and philosophy of the infinite. Professor of Logic, Oxford University. #ProofandtheArt Oxford, Englandjdh.hamkins.org4 years on Twitter 4,673 followers | 44 |

105. | Martin Gardner tweet@WWMGT What would Martin Gardner (1914-2010) tweet today, if he could? Email suggestions to WhatWouldMartinGardnerTweet at gmail martin-gardner.org/Tweets.html8 years on Twitter 4,209 followers | 44 |

106. | Daniel Litt@littmath Assistant professor of mathematics at UGA. Algebraic geometry, number theory, etc. He/him. Atlanta, Georgiadaniellitt.com9 years on Twitter 2,843 followers | 44 |

107. | Dave Kung (龚仲孝)@dtkung immigrant's son, @TheGreatCourses professor, @StMarysMD rabble-rouser, @MAAnow Project NExT Director, @TEDx speaker. All opinions my own. (he/his) St. Mary's City, MDdavekung.com7 years on Twitter 1,205 followers | 44 |

108. | chalkdust@chalkdustmag A magazine for the mathematically curious. Issue 11 available now! Londonchalkdustmagazine.com5 years on Twitter 4,398 followers | 43 |

109. | AMS Grad Blog@AMSGradBlog A blog for and by math grad students. United Statesblogs.ams.org/mathgradblog8 years on Twitter 3,082 followers | 43 |

110. | Tim Chartier@timchartier husband, father, friend, professor of Math and Computer Science at @DavidsonCollege, professionally trained mime Davidson, NCdavidson.edu/math/chartier10 years on Twitter 3,580 followers | 42 |

111. | Dr Nira Chamberlain PhD HonDSc 🇯🇲@ch_nira President of the IMA @IMAmaths. Double Doctorates in #mathematics. #IB100 Top 100 Most Influential BAME Leaders in UK Tech #powerlist2020 views my own 🇯🇲 Birmingham, England7 years on Twitter 2,730 followers | 42 |

112. | Dan Meyer@ddmeyer Former high school math teacher. Current CAO @Desmos. Recreational math user. He / him. Oakland, CAblog.mrmeyer.com12 years on Twitter 78,013 followers | 41 |

113. | Analysis Fact@AnalysisFact Daily tweets about real and complex analysis and related topics. From @JohnDCook. JohnDCook.com/math10 years on Twitter 75,135 followers | 41 |

114. | NRICH maths@nrichmaths Specialists in rich mathematics Cambridgenrich.maths.org9 years on Twitter 57,109 followers | 41 |

115. | Math for America@MathforAmerica We build a community of mathematics and science teachers who make a lasting impact in their schools, their communities, and the profession at large. #MfAProud NYCmathforamerica.org11 years on Twitter 29,954 followers | 41 |

116. | European Maths Soc@EMSnewsletter Newsletter of the European Mathematical Society euro-math-soc.eu6 years on Twitter 6,418 followers | 41 |

117. | Colin Beveridge@icecolbeveridge A mathematician with nothing to prove. Writer for hire. Author of bit.ly/crackingmaths and others. Blog at flyingcoloursmaths.co.uk/blog . He/him. Dorset, UKcolinbeveridge.co.uk11 years on Twitter 4,749 followers | 41 |

118. | Matt Enlow@CmonMattTHINK Math teacher at @DanaHallSchool. Trying to bring the joy and adventure of authentic mathematical exploration to all students. Schlemiel. Luftmensch. #mathart Massachusetts10 years on Twitter 3,289 followers | 41 |

119. | Ivars Peterson@mathtourist Freelance writer, editor; author of The Mathematical Tourist blog Washington, DCmathtourist.blogspot.com7 years on Twitter until last tweet (2017-Jun-05) 2,926 followers | 41 |

120. | Matt Salomone@matthematician Associate professor & chair, @BridgeStateU math. Views my own. Minnechusetts, twins. Am a sandwich. #FiniteSimpleGroup. #WhoSaysMath. CV: cvmkr.com/O4gq Plymouth, MAmatthematics.com10 years on Twitter 1,927 followers | 41 |

121. | Gizem Karaali@GizemKaraali_ Mathematician, researcher, educator, writer, parent, human. #math #numeracy #humanisticmathematics #openaccess #poetry #socialjustice (she/her/hers) Pomona Collegepages.pomona.edu/~gk014747/6 years on Twitter 1,139 followers | 41 |

122. | Fawn Nguyen@fawnpnguyen Spent 30 years in the classroom, now Year 1 as Math TOSA at Rio School District visualpatterns.org, between2numbers.com, chewablemath.com, mathtalks.net Oak View, CAfawnnguyen.com11 years on Twitter 22,589 followers | 40 |

123. | theoremoftheday@theoremoftheday A gallery whose exhibits are the crowning achievements of mathematics: her theorems. Muret, Francetheoremoftheday.org9 years on Twitter 4,230 followers | 40 |

124. | Neil deGrasse Tyson@neiltyson Astrophysicist New York Cityhaydenplanetarium.org/tyson/11 years on Twitter 13,957,032 followers | 39 |

125. | Probability Fact@ProbFact Daily tweets on probability from @JohnDCook. johndcook.com/prob10 years on Twitter 102,787 followers | 39 |

126. | Robert Low@RobJLow Maths lecturer and unashamed geek. Recorders and violin (moderately good and not very good respectively). Parkrun. Blog at robjlow.blogspot.co.uk users.complexity-coventry.org/~low/3 years on Twitter 1,817 followers | 39 |

127. | Kevin Knudson@niveknosdunk chair @UF math dept, mediocre guitar player, STL Cardinals fan, dad, husband, co-host of @myfavethm, me gusta la cocina mexicana, tweets my own Gainesville, FLkpknudson.com9 years on Twitter 1,204 followers | 39 |

128. | Dana C. Ernst@danaernst Father of two boys, husband, mathematician, cyclist, & climber. Flagstaff, AZdcernst.github.io11 years on Twitter 1,153 followers | 39 |

129. | Scientific American@sciam Awesome discoveries. Expert insights. Science that shapes the world. New York Cityscientificamerican.com12 years on Twitter 3,854,617 followers | 38 |

130. | NCTM@NCTM The National Council of Teachers of Mathematics is the public voice of #MathEd that supports teachers to ensure equitable math learning 4 each & every student. Reston, Virginianctm.org11 years on Twitter 78,629 followers | 38 |

131. | dave 🐝💣@beesandbombs dave is my name. i make gifs. taking commissions – dm me Dublin, Irelandbeesandbombs.com5 years on Twitter 46,771 followers | 38 |

132. | Robert Talbert@RobertTalbert Professor and department chair @GVSUMath. Trying to make myself useful. Dad, Catholic, @Arsenal, @GrandRapidsFC. My views != GVSU's. rtalbert.org Michigan, USArtalbert.org13 years on Twitter 4,815 followers | 38 |

133. | Amie Albrecht@nomad_penguin Assoc Prof and Dean of Programs (STM), UniSA STEM. Tsundoku master. Uses fewer exclamation marks IRL. She/They. #read2020 Kaurna land (UniSA, Adelaide)amiealbrecht.com10 years on Twitter 4,139 followers | 38 |

134. | Rochelle Gutierrez@RG1gal Maths Ed Professor, community activist, frequent user of Creative Insubordination Champaign, ILeducation.illinois.edu/faculty/rg14 years on Twitter 3,772 followers | 38 |

135. | Susan D'Agostino, PhD@susan_dagostino Mathematician & writer @JohnsHopkins, author of HOW TO FREE YOUR INNER MATHEMATICIAN @OxUniPress. Essays: @QuantaMagazine @sciam @undarkmag @nature @DiscoverMag New Hampshire, USAsusandagostino.com2 years on Twitter 3,201 followers | 38 |

136. | Paul Salomon@lostinrecursion Math nerd.teacher.artist trying to share the joy and beauty of real mathematical experiences. Saint Louispaulsalomon.com8 years on Twitter 2,969 followers | 38 |

137. | Robert (Bob) Bosch@baabbaash Oberlin College professor and mathematical artist. Featured on 最强大脑. Author of “Opt Art: From Mathematical Optimization to Visual Design” (available 11.12.19). Oberlin, Ohio USAdominoartwork.com6 years on Twitter 2,410 followers | 38 |

138. | Dr Ben Blum-Smith@benblumsmith Mathematician | teacher | believer in democracy, students' minds, and the possibility of bridging differences | TED Resident | he/him/his #mtbos #iteachmath New Yorkresearchinpractice.wordpress.com3 years on Twitter 1,205 followers | 38 |

139. | Shit Academics Say@AcademicsSay A social experiment | @prof_nch chronicle.com/article/Academ…6 years on Twitter 329,951 followers | 37 |

140. | Brian Marks@Yummymath Over 300 real world math activities on pop culture, sports, science, tech & more that your students will love. Brian is a math ed leader & math activity writer. www.yummymath.comyummymath.com9 years on Twitter 36,368 followers | 37 |

141. | Christopher Danielson@Trianglemancsd Teaching Faculty at Desmos. Author at Stenhouse. Public Math. I tweet about children's math brilliance, #unitchat, and sometimes produce. St Paul, Minnesotatalkingmathwithkids.com10 years on Twitter 16,566 followers | 37 |

142. | Rob Eastaway@robeastaway Author, maths speaker, dad and cricket-lover. Puzzle adviser to New Scientist magazine. Quite often on the radio and other people's podcasts. Londonrobeastaway.com10 years on Twitter 7,112 followers | 37 |

143. | Annie Perkins@anniek_p MPLS Math teacher. I ❤️ math, my students & naps, because they're all amazing. I do a lot of mathy art. she/her #mathartchallenge Minneapolis, MNarbitrarilyclose.com7 years on Twitter 5,862 followers | 37 |

144. | Math Awareness Month@MathAware Held every April, the goal of #MathStatMonth is to increase public understanding of and appreciation for mathematics. Everywhere! mathstatmonth.org8 years on Twitter 2,617 followers | 37 |

145. | Rachel Levy@mathcirque Mathematical modeling and data science ambassador. Making interdisciplinary connections between education, life and work. raylevy.org7 years on Twitter 1,390 followers | 37 |

146. | Dr. Marissa Kawehi Loving@MarissaKawehi Kanaka maoli. NSF Postdoc in Math at Georgia Tech. Invested in equity & justice. Usually tired (not sleepy). Organizer of gradsubgroups.org w/ @j_lanier sites.google.com/view/lovingmat…2 years on Twitter 1,091 followers | 37 |

147. | Brian Katz (BK)@thewordninja_bk Word ninja, teacher, singer, cat fancier, queer mathematician, magical creature. Yes, the hair is real. Pronouns: no preference 6 years on Twitter 806 followers | 37 |

148. | NASA@NASA Explore the universe and our home planet with NASA 🌎 We usually post in EDT. nasa.gov12 years on Twitter 37,079,866 followers | 36 |

149. | XKCD Comic@xkcdComic XKCD comic feed with images and mobile friendly links. Unofficial, run by @dghubble xkcd.com6 years on Twitter 289,888 followers | 36 |

150. | David Spiegelhalter@d_spiegel Statistician, like evidence, risk, probability, chance, uncertainty. Chair, Winton Centre. Author- The Art of Statistics. Own opinions. I mute rude or anonymous Cambridge, Englandstatslab.cam.ac.uk/~david/10 years on Twitter 56,398 followers | 36 |

151. | Cliff Pickover@pickover Increase your sense of wonder. (Author of 50 books & 670 patents. Yale Ph.D.) "Pickover contemplates realms beyond our known reality." ~NY Times New Yorkpickover.com11 years on Twitter 38,510 followers | 36 |

152. | Lior Pachter@lpachter Bren Professor of Computational Biology at Caltech. Blog at liorpachter.wordpress.com. #methodsmatter Pasadena, CApachterlab.github.io11 years on Twitter 20,122 followers | 36 |

153. | Oxford Mathematics@OxUniMaths Official twitter feed for the Mathematical Institute at the University of Oxford. Oxfordmaths.ox.ac.uk6 years on Twitter 18,949 followers | 36 |

154. | Sunil Singh@Mathgarden Mathematical Jester. Author, Pi of Life and Math Recess. New York Times writer. Agent of Disruption. Music Geek. Toronto, Ontariomathigon.org4 years on Twitter 13,878 followers | 36 |

155. | Great Women of Mathematics@GWOMaths #GWOM -- telling stories of the great women of mathematics and running the #dailymaths challenge. Email: GWOMaths at gmail. Banner by @olutosinbanjo. USAUnder 1 year on Twitter 13,377 followers | 36 |

156. | Jeremy Kun@jeremyjkun Author of Math ∩ Programming @MathProgramming and A Programmer's Introduction to Mathematics https://t.co/LjatsKN2aF Math & Optimization @Google. Math PhD from UI Chicago. Oakland, CAjeremykun.com6 years on Twitter 10,142 followers | 36 |

157. | Kate Nowak@k8nowak I work on curriculum at Illustrative Mathematics (but I talk about other stuff too). she/her #MTBoS 11 years on Twitter 9,654 followers | 36 |

158. | PBS Infinite Series@PBSInfinite A @PBSDS show about the wild world of mathematics. Written and hosted by Tai-Danae Bradley (@math3ma) and Gabe Perez-Giz (@fizziksgabe). youtube.com/pbsinfiniteser…1 year on Twitter until last tweet (2018-May-17) 6,713 followers | 36 |

159. | Ben Sparks@SparksMaths Mathematician, Musician, Speaker, Teacher. Freelance, AMSP, & Uni of Bath. @Numberphile, @MathsInspiratn speaker, @TMiPUK, Bath @MathsJam Bathbensparks.co.uk9 years on Twitter 5,679 followers | 36 |

160. | Jim Wilder@wilderlab Recreational mathematician, educator, dog walker, coffee drinker Vestavia Hills, ALjimwilder.com9 years on Twitter 4,569 followers | 36 |

161. | David Butler@DavidKButlerUoA Maths Learning Centre leader at Uni Adelaide (my views here). PhD in Finite Geo & Grad Dip Ed. Love maths and helping people learn. he/him #MTBoS #100factorial Adelaide, Australiablogs.adelaide.edu.au/maths-learning/5 years on Twitter 4,469 followers | 36 |

162. | mathblogging.org@mathblogging mathblogging.org -- your one-stop shop for mathematical blogs. mathblogging.org9 years on Twitter 3,321 followers | 36 |

163. | Haggis@haggismaths Just one sheep trying to spread the magic of mathematics to the the world. Lecturer at ECU. Author of Get Smart: Maths. Founder of Maths Craft Australia. Perth, Western Australiahaggisthesheep.wordpress.com10 years on Twitter 2,864 followers | 36 |

164. | Richard Elwes@RichardElwes Mathematician, Writer, European. Books include 'Maths 1001' and 'Chaotic Fishponds and Mirror Universes'. UKrichardelwes.co.uk/blog9 years on Twitter 2,501 followers | 36 |

165. | Noel-Ann Bradshaw@NoelAnn Head of School of Computing and Digital Media @LondonMetUni. Interested in all things #HE, #DataScience, #mathematics and #cats! All views expressed are my own. 11 years on Twitter 2,314 followers | 36 |

166. | Nate Silver@NateSilver538 Editor-in-Chief, @FiveThirtyEight. Author, The Signal and the Noise (amzn.to/QdyFYV). Sports/politics/food geek. New Yorkfivethirtyeight.com11 years on Twitter 3,323,660 followers | 35 |

167. | GeoGebra@geogebra Free math apps for graphing, geometry, algebra, 3D, and more! Linz, Austriageogebra.org10 years on Twitter 40,979 followers | 35 |

168. | DynamicalSystemsSIAM@DynamicsSIAM The dynamical systems channel for the Society for Industrial and Applied Mathematics. Let chaos reign. We also publish DSWeb: dsweb.siam.org siam.org/activity/ds/4 years on Twitter 4,589 followers | 35 |

169. | Bridges Math Art@BridgesMathart Annual international conference on mathematical connections in art, music, architecture, education and culture. Est 1998. bridgesmathart.org6 years on Twitter 2,955 followers | 35 |

170. | Dr. Tien Chih@TChihMath Assistant Professor of Mathematics at @MSUBillings. Father and Husband. I teach/do/spread Mathematics as I can. I have thoughts on other stuff too. Billings, MTmsubillings.edu/mathfaculty/tc…3 years on Twitter 937 followers | 35 |

171. | Amie Wilkinson@math_wilkinson Mathematician at the University of Chicago. Can’t leave well enough alone. math.uchicago.edu/~wilkinsoUnder 1 year on Twitter 739 followers | 35 |

172. | PHD Comics@PHDcomics Life (or the lack thereof) in Academia. Comic strip by Jorge Cham. Instagram.com/phd_comics phdcomics.com11 years on Twitter 250,386 followers | 34 |

173. | Simon Singh@SLSingh Author of The Simpsons and Their Mathematical Secrets, Fermat's Last Theorem, The Code Book, Big Bang & Trick or Treatment? Londonsimonsingh.net11 years on Twitter 79,334 followers | 34 |

174. | Tamás Görbe@TamasGorbe Applied Mathematician | Mathematical Physicist | Marie Curie Research Fellow @UniversityLeeds Leeds, Englandtamasgorbe.com8 years on Twitter 11,474 followers | 34 |

175. | Dr Sabetta Matsumoto@Sabetta_ Theoretical physicist, physics professor, applied mathematician. Interested in geometry, low dimensional topology and mathematical art (and cats). she/her/hers Atlanta, GAmatsumoto.gatech.edu3 years on Twitter 2,737 followers | 34 |

176. | Henry Cohn@HenryCohn Cambridge, MAmath.mit.edu/~cohn11 years on Twitter 633 followers | 34 |

177. | Wolfram|Alpha@Wolfram_Alpha Official info source for Wolfram|Alpha, the computational intelligence engine by @WolframResearch founded by @stephen_wolfram. Support: wolframalpha.com/contact.html Champaign, IL11 years on Twitter 57,402 followers | 33 |

178. | TeX and Typography@TeXtip Tweets on TeX, LaTeX, and typography. @JohnDCook. HoustonJohnDCook.com10 years on Twitter 43,362 followers | 33 |

179. | Jo Morgan@mathsjem Maths teacher. Author of #mathscompendium. Committee member: TES, AQA, MEI, MA. Collector of old maths textbooks. Princess of Parallelograms. Here to learn. Surrey/London, UKresourceaholic.com6 years on Twitter 32,501 followers | 33 |

180. | Dan Finkel@MathforLove Founder, Math for Love. Writing Math at Home Support Emails during lockdown. Sign up at mathforlove.com Cocreator #PrimeClimb & #TinyPolkaDot. Seattle, WAmathforlove.com9 years on Twitter 12,545 followers | 33 |

181. | Greg Egan@gregeganSF I am a science fiction writer and computer programmer. Web site: gregegan.net [mirrored at members.iinet.net.au/[email protected]… ] gregegan.net3 years on Twitter 11,241 followers | 33 |

182. | Mike Croucher@walkingrandomly Product Manager for Cloud and Machine Learning at The Numerical Algorithms Group (NAG). PhD Theoretical Physics nag.com/content/mike-c… Leeds, Englandwalkingrandomly.com10 years on Twitter 5,697 followers | 33 |

183. | Megan Parise Schmidt@Veganmathbeagle Math Ed PhD student - University of Minnesota, math art enthusiast, beagle lover #MTBoS #xa [she/her] All pedagogy is political. Minneapolis, MNmathybeagle.com11 years on Twitter 5,685 followers | 33 |

184. | Vicky Neale@VickyMaths1729 Day job: being enthusiastic about mathematics. Author of "Closing the Gap: the quest to understand prime numbers". Oxford, UKpeople.maths.ox.ac.uk/neale/5 years on Twitter 2,089 followers | 33 |

185. | Yen Duong, Ph.D@yenergy Charlotte reporter for @NChealthnews. @AAASMassMedia Fellow 2018 @Newsobserver. Math, #scicomm, social justice, kids, health. She/her. Tweets 🗑️after 90 days. Charlotte, NCyenduong.com10 years on Twitter 1,213 followers | 33 |

186. | Matt Boelkins@MattBoelkins mathematics professor, Grand Valley State U, faculty.gvsu.edu/boelkinm/, promoting free and open source materials for calculus and more. opencalculus.wordpress.com7 years on Twitter 1,017 followers | 33 |

187. | Ben Braun@BraunMath All tweets are my own, tweets not affiliated with any organization or institution. 6 years on Twitter 863 followers | 33 |

188. | Dr. Noelle, mathemagician@blkmathmagic Bahamian. Mathematician. Black. Auntie. Baker. Sometimes funny. Weary. She/her. Dynamics and Geometrynoellesawyer.com3 years on Twitter 853 followers | 33 |

189. | Ed Yong@edyong209 Science writer at The Atlantic. Author of I CONTAIN MULTITUDES, a New York Times bestseller on animal-microbe partnerships. edyong.me (he/him) At hometheatlantic.com/author/ed-yong/11 years on Twitter 235,575 followers | 32 |

190. | Brady Haran@BradyHaran Video and Podcast person — @numberphile @periodicvideos @sixtysymbols @Objectivity_Vid plus @HelloInternetFM @Unmade_FM & other stuff bradyharanblog.com6 years on Twitter 94,259 followers | 32 |

191. | Dr Jess Wade 👩🏻🔬@jesswade 제시카 physics/chemistry @imperialcollege. @500womensci + @wikipedia + chiral materials + Raman spectroscopy enthusiast. she/her. least useful doctor in my family. London, England11 years on Twitter 41,062 followers | 32 |

192. | Paul Naish@PaulNaish78 #Mathematics; #Statistics; History of Science #HistSci; Science, Technology & Society #STS: Global Head of Portfolio @ Taylor & Francis. #scicomm. Views = mine. Oxfordtandfonline.com6 years on Twitter 14,607 followers | 32 |

193. | Isaac Newton Institute@NewtonInstitute News from the Isaac Newton Institute for Mathematical Sciences. We bring the world's top scientists together to collaborate in advanced research programmes. Cambridge, UKnewton.ac.uk11 years on Twitter 6,528 followers | 32 |

194. | Alison Kiddle@ajk_44 I write maths problems. Ask me about my workshops and talks, ask me about my writing, ask me about MathsJam. They/them. Cambridgealisonkiddle.co.uk10 years on Twitter 3,852 followers | 32 |

195. | Amy Hogan@alittlestats Statistics & Math Teacher, Math Team Coach, @MathforAmerica Master Teacher, @AmstatNews Stat/DS Ed HS fellowship, Smithie, #rstats, 20th percentile for height. NYCalittlestats.blogspot.com5 years on Twitter 2,772 followers | 32 |

196. | IBL Mathematics@IBLMath The purpose of IBLMath is to increase awareness of inquiry-based learning in mathematics. Tweets by mathematics professor @danaernst. Flagstaff, AZdanaernst.com9 years on Twitter 2,760 followers | 32 |

197. | Anthony Bonato@Anthony_Bonato Mathematician at Ryerson U. Researcher on complex networks and network science. Writer. The G in LGBTQI2S & the v in vegan. Toronto, Ontarioanthonybonato.wordpress.com4 years on Twitter 2,693 followers | 32 |

198. | Alejandro Adem@alejandroadem President of @NSERC_CRSNG / Président du @CRSNG_NSERC. Mathematician / Mathématicien. Tweets are personal views / Les tweets sont des opinions personelles. Ottawa, Ontario/Vancouver, BCmath.ubc.ca/~adem9 years on Twitter 2,300 followers | 32 |

199. | Samuel Hansen@Samuel_Hansen Mathematics and Statistics Librarian at @UmichLibrary, developer at PodcastRE.com, and host of Relatively Prime relprime.com They|Them|Theirs iPhone: 4.669201,-2.718828183relprime.com13 years on Twitter 1,136 followers | 32 |

200. | Prof. Christelle Vincent@xl772 Mathematician by day, mathematician by night. My pronouns are she/her. Northeast7 years on Twitter 843 followers | 32 |

201. | Dan Margalit@margalitdan Math professor at Georgia Tech Atlanta, GAmath.gatech.edu/~margalit6 years on Twitter 506 followers | 32 |

202. | 🙅🏽♀️ Chanda #COLA4ALL Prescod-Weinstein 🙅🏽♀️@IBJIYONGI Personal Account. all Black/all Jewish. Prof: Particle Physics/Astro &feminist #HistSTM. queer agender woman/she. 2021: #DisorderedCosmos! tweets by/for me only DurhamNH/CambridgeMA/Wakandaprofcpw.com11 years on Twitter 65,377 followers | 31 |

203. | The Mathematical Association@Mathematical_A The Mathematical Association exists to support and enhance the teaching and learning of mathematics and its applications. Leicesterm-a.org.uk7 years on Twitter 26,234 followers | 31 |

204. | Jade Master@JadeMasterMath I am an applied category theorist at UC Riverside. I think about compositionality in Petri nets and Linguistics. Grothendieck construction fangirl she/hersites.google.com/view/jadeedens…2 years on Twitter 5,173 followers | 31 |

205. | Canadian Mathematical Society@canmathsociety The national voice of mathematics in Canada.🇨🇦 La voix nationale des mathématiques au Canada.🇨🇦 Ottawa, Canadacms.math.ca9 years on Twitter 5,120 followers | 31 |

206. | Ayliean@Ayliean Mathemactivist and Craftamatician, constantly trying to unleash the beauty of Maths for all to see! Also a tortoise lover. (she/her) Scotland, United Kingdomyoutube.com/Ayliean7 years on Twitter 3,120 followers | 31 |

207. | Courtney Davis@mathcourtney Math professor. Mathematical biologist. Christian. "She is too fond of books, and it has turned her brain.'' 5 years on Twitter 686 followers | 31 |

208. | New Scientist@newscientist The best place to find out what’s new in science – and why it matters. Tweets by @SamWong1. Subscribe here: https://t.co/Qy4NedNoxG Worldwidenewscientist.com11 years on Twitter 3,670,250 followers | 30 |

209. | Christopher D. Long@octonion Chief Data Scientist, Headlamp Software. Ex - San Diego Padres, Detroit Tigers, Houston Rockets & others. Google Foobar winner. mailto:[email protected] Versailles, KYangrystatistician.blogspot.com10 years on Twitter 16,973 followers | 30 |

210. | Ilana Horn@ilana_horn prof of math ed • dedicated to the humans in math classrooms and the math in humans • author STRENGTH IN NUMBERS, MOTIVATED • #MTBoS #iteachmath (she/her) Vanderbilt Universityilanahorn.com8 years on Twitter 11,264 followers | 30 |

211. | Michael Pershan@mpershan K-12 math teaching, reading, writing, mathing. NYCmichaelpershan.com9 years on Twitter 10,125 followers | 30 |

212. | BIRS@BIRS_Math The Banff International Research Station for Mathematical Innovation and Discovery, in the heart of the Canadian Rocky Mountains. Banff, Canadabirs.ca8 years on Twitter 3,531 followers | 30 |

213. | Ralph Pantozzi@mathillustrated @kentplaceschool • @MoMath Rosenthal Prize • #PAEMST 2017 • Calculus • Sketchpad • @RutgersGSE @NCTM + @MAAnow Joint Committee on Mutual Concerns mathillustrated.net5 years on Twitter 1,945 followers | 30 |

214. | Darryl Yong@dyong Professor of Mathematics @harveymudd, Involved in @mfa_la, Founding Dir. of @claremontctl (math.hmc.edu/~dyong) He/Him/His Los Angeles, CAprofteacher.wordpress.com11 years on Twitter 1,482 followers | 30 |

215. | Kristin Lauter@KristinLauter Principal Researcher, Partner Research Manager, former AWM President 2015-2017, Affiliate Professor University of Washington Microsoft Researchresearch.microsoft.com/en-us/people/k…5 years on Twitter 1,228 followers | 30 |

216. | Julianna Stockton@DrJStockton Professor of Mathematics and General Awesomeness Cambridge, MA11 years on Twitter 1,068 followers | 30 |

217. | David Bressoud@dbressoud Math professor, Macalester College, Director of Conference Board of the Mathematical Sciences Saint Paul, MN10 years on Twitter 1,016 followers | 30 |

218. | Mitch Keller@MitchKeller Baker. Photographer. Mathematician at Morningside College. North Dakota native. B.S., NDSU. PhD, Georgia Tech. Postdoc at LSE and U of Neb-Lincoln. he/him/his Sioux City, IArellek.net12 years on Twitter 990 followers | 30 |

219. | Stan Yoshinobu@stanyoshinobu Social distancing for real. My personal acct, improving math education, hiking, landscape photography. Thoughts are my own. theiblblog.blogspot.cominquirybasedlearning.org11 years on Twitter 826 followers | 30 |

220. | Tim Harford@TimHarford Writer & Presenter of Cautionary Tales & Fifty Things That Made the Modern Economy; Undercover Economist at the FT; BBC More or Less. Views my own, of course. Oxfordtimharford.com11 years on Twitter 158,400 followers | 29 |

221. | Data Science Fact@DataSciFact Daily data science tweets from @JohnDCook. HoustonJohnDCook.com/data_science9 years on Twitter 118,974 followers | 29 |

222. | Stephen Wolfram@stephen_wolfram I create ideas, technology, science, companies, books, ...: #WolfLang #WolframPhysics #WolframAlpha #Mathematica @WolframResearch stephenwolfram.com11 years on Twitter 69,133 followers | 29 |

223. | Overleaf@overleaf Create, edit & publish your research - all from your browser. Our real-time collaborative LaTeX editor automatically produces & displays your typeset document. overleaf.com7 years on Twitter 37,994 followers | 29 |

224. | 〈 Berger | Dillon 〉@InertialObservr PhD candidate of Theoretical Particle Physics @UCIrvine | @NSF Fellow | Physics | Math | Philosophy | Podcast Host DC → CAyoutube.com/c/InertialObse…4 years on Twitter 36,799 followers | 29 |

225. | Max Ray-Riek@maxrayriek Math educator, naturalist of rational functions, stretcher and turner of number lines. Opinions here are my own and not those of my employer. Philadelphiamathforum.org/blogs/max/9 years on Twitter 7,913 followers | 29 |

226. | Tiling Bot@TilingBot A twitter bot creating a random 2-dimensional tiling once a day, by @roice713. github.com/roice3/TilingB…2 years on Twitter 4,010 followers | 29 |

227. | Paula Beardell Krieg@PaulaKrieg Artist, BookArts Instructor, Upstate NY, former NYCer, School of Visual Arts, arts-in-ed, visual math. Revisiting math after having forgotten all #mtbos she/her Upstate New Yorkbookzoompa.wordpress.com8 years on Twitter 1,870 followers | 29 |

228. | Martin Gardner 100th@MGardner100th 21 Oct 2014 marked the centennial of the birth of Martin Gardner, prolific American man of letters and numbers. martin-gardner.org2 years on Twitter until last tweet (2016-Oct-11) 1,576 followers | 29 |

229. | Daina Taimina@DainaTaimina Author "Crocheting Adventures with Hyperbolic Planes" math.cornell.edu/~dtaimina8 years on Twitter 837 followers | 29 |

230. | Ken Ribet@kribet Professor at UC, Berkeley, recent President of the American Math Society, known for work on Fermat's Last Theorem, Galois representations, modular forms Berkeley, CAmath.berkeley.edu/~ribet/11 years on Twitter 762 followers | 29 |

231. | The New York Times@nytimes News tips? Share them here: nyti.ms/2FVHq9v New York Citynytimes.com13 years on Twitter 46,623,574 followers | 28 |

232. | Cédric Villani@VillaniCedric Député de l'Essonne • Mathématicien, Médaille Fields 2010 • Candidat à la Mairie de Paris • 📩 [email protected] Paris, Francecedricvillani.paris3 years on Twitter 96,822 followers | 28 |

233. | Desmos.com@Desmos Explore math with our free online graphing calculator and networked classroom activities! Tweets by @eluberoff (eli) and @ddmeyer (dan) San Francisco, CAdesmos.com9 years on Twitter 43,313 followers | 28 |

234. | UK Mathematics Trust@UKMathsTrust The UKMT is a registered charity whose aim is to advance the education of young people in mathematics. Leedsukmt.org.uk10 years on Twitter 28,696 followers | 28 |

235. | 𝙰𝚛𝚝𝚑𝚞𝚛 𝙲𝚑𝚊𝚛𝚙𝚎𝚗𝚝𝚒𝚎𝚛🔬@freakonometrics Artisan de la donnée. Surreptitious economist & born-again mathematician. Fellow actuary & (coffee and) data addict. Professor & researcher in Montréal, Canada Montréal, Québecfreakonometrics.hypotheses.org10 years on Twitter 27,129 followers | 28 |

236. | Gabriel Peyré@gabrielpeyre CNRS researcher at the DMA, École Normale Supérieure. One tweet a day on computational mathematics. Parisgpeyre.com5 years on Twitter 17,240 followers | 28 |

237. | Steve Phelps@MathTechCoach Instructional Technology Consultant @HamiltonCoESC | T3 National Instructor | @GeoGebra Author | @Desmos Fellow | @Google Certified Trainer | Erdos number = 4 Cincinnati, OHstatsfodder.com10 years on Twitter 7,362 followers | 28 |

238. | Nicole M. Joseph@profnicolej (she/her/cis) Lead editor of #InterrogatingWhiteness. Study black girls/women experiences in math and history of math Ed of blacks, 1837-1957. tweets are my own Tennessee, USApeabody.vanderbilt.edu/bio/nicole-jos…5 years on Twitter 4,182 followers | 28 |

239. | PIMS@pimsmath PIMS - The Pacific Institute for the Mathematical Sciences 49.51 ± 4° N, 110.25 ± 13.1° Wpims.math.ca9 years on Twitter 3,855 followers | 28 |

240. | 𝑺𝒂𝒓𝒂𝒉 𝑯𝒆𝒑𝒉𝒔𝒊𝒃𝒂@Hephsiba2 Mathématicienne. Paris. 🇫🇷. Algèbre postmoderne. Ⓐnarcha-féminisme, «no borders» - φιλοξενία, Extrême gauche antifa saboteuse. Migrante 🇬🇧 ✡️ Paris, France5 years on Twitter 3,074 followers | 28 |

241. | alisonmartin@alisonmartin57 weaver nytimes.com/2019/07/29/sci… Fivizzano, Toscanainstagram.com/alisonmartin57/5 years on Twitter 3,037 followers | 28 |

242. | Math Counterexamples@MathCounterexam Exploring the strange stuff of Mathematics - Jean-Pierre Merx Parismathcounterexamples.net5 years on Twitter 1,339 followers | 28 |

243. | Darren Glass@darrenglass I post mostly about math, baseball, Gettysburg, and random pop culture. I used to try not to post about politics, and then Trump happened. Gettysburg PA10 years on Twitter 527 followers | 28 |

244. | Robert W. Vallin@mathdr91 Father, Husband, Mathematician, very amateur magician . Proving recreational math is a serious discipline. Beaumont, TX10 years on Twitter 468 followers | 28 |

245. | Dagan Karp@dagan_karp math.hmc.edu/~dk2 years on Twitter 262 followers | 28 |

246. | Bill Nye@BillNye Everyone you will ever meet knows something you don’t. Los Angeles, CAbillnyepodcast.com11 years on Twitter 5,988,322 followers | 27 |

247. | zeynep tufekci@zeynep Thinking about our tools, ourselves. @UNC prof. Writer at @TheAtlantic @NYTimes. Was @SciAm @Wired. Book:TwitterandTearGas.org. Also tinyletter.com/zeynepnotes floating in a most peculiar waytechnosociology.org10 years on Twitter 340,430 followers | 27 |

248. | The Royal Society@royalsociety The Royal Society is a Fellowship of the world's most eminent scientists and is the oldest scientific academy in continuous existence. London, UKroyalsociety.org/whats-new/11 years on Twitter 293,495 followers | 27 |

249. | Sarah Carter@mathequalslove High School Math Teacher (Algebra 2 and Pre-Calc). Blogger. #MTBoS Member. #Teach180 Creator. Wife of @theshauncarter. New Mom. Jesus Follower. Puzzle Lover. Coweta, Oklahomamathequalslove.blogspot.com8 years on Twitter 19,082 followers | 27 |

250. | SpringerMath@SpringerMath Latest news and updates from Springer Mathematics. springer.com/mathematics9 years on Twitter 15,521 followers | 27 |

251. | Simon Gregg@Simon_Gregg Primary (=US elem) Teacher, this year STEAM coach at the International School of Toulouse (PYP). Mostly tweet & blog maths (Cuisenaire, WODB...) Toulouse, Francefollowinglearning.blogspot.fr10 years on Twitter 8,210 followers | 27 |

252. | Thony Christie@rmathematicus Aging freak who fell in love with the history of science and now resides mostly in the 16th century. Renaissance Nürnberg thonyc.wordpress.com9 years on Twitter 7,638 followers | 27 |

253. | Clarissa Grandi@c0mplexnumber KS5 maths teacher, AST, STEM Lead Practitioner & NCETM PD Lead. Interested in mathematical art & geometric origami. Occasional blogger. STEAM is where it's at. Suffolk, UKartfulmaths.com8 years on Twitter 7,101 followers | 27 |

254. | David Coffey, Ph.D #amwriting from 🏠@delta_dc @GVSUmath Professor, @TEDxGVSU Advisor, @GVSUDTA Director, & #MTBoS member — Thoughts are my own with no guarantee they're fully formed. @GVSUdeltascape.blogspot.com9 years on Twitter 5,420 followers | 27 |

255. | Robin Houston@robinhouston Cofounder of @f_l_o_u_r_i_s_h. Also maths. My name is an anagram of “No enthusiasm or job”. Londonkiln.digital11 years on Twitter 4,803 followers | 27 |

256. | CIRM@_CIRM Centre International de Rencontres Mathématiques CNRS - Société Mathématique de France - AMU (CM: S.Vareilles) Youtube/Instagram Marseille - Francecirm-math.fr8 years on Twitter 2,828 followers | 27 |

257. | A Love of Math & Art@P_SnowLeopard Digital Items Collected by a #Math student & #Artist. Enjoys: #SciFi, #nature, and #complexity #science. Promotes: #openscience, #opensource, #openculture. Albuquerque, New Mexico4 years on Twitter until last tweet (2017-Aug-21) 1,451 followers | 27 |

258. | 𝙈𝙖𝙩𝙝-𝙁𝙧𝙤𝙡𝙞𝙘! 💢@SheckyR Bipedal primate, awed by recursion, prime nos., & paradoxes. Math-fan, bird-lover, & bipedal primate awed by recursion, prime nos., &.... Nawth CarolinaMath-Frolic.blogspot.com6 years on Twitter 683 followers | 27 |

259. | ron taylor@math_doc_ron professor of mathematics at @berrycollege, mathematical dabbler, origami enthusiast, sci-fi buff and all around nerd. there’s no word in English for my style. Rome, GA6 years on Twitter 644 followers | 27 |

260. | Rachel Crowell@writesRCrowell Math and science writer. Would love to write for you. racheljcrowell(at)gmail(dot)com. Iowa, USA4 years on Twitter 617 followers | 27 |

261. | Jennifer Quinn@swirlgirl31415 She loves math. 6 years on Twitter 601 followers | 27 |

262. | Doctor. Also a Bear.@superyarn I do math inspired by string theory. I read a lot, mostly science fiction and history. I write about all these things in various combinations. Michiganyarntheory.net6 years on Twitter 465 followers | 27 |

263. | Brian Cox@ProfBrianCox Professor of Particle Physics at The University of Manchester and The Royal Society Professor for Public Engagement in Science. The Earth, with everyone elsebriancoxlive.co.uk11 years on Twitter 3,013,555 followers | 26 |

264. | NYT Science@NYTScience Science, Medicine, Environment, Space and Cosmos. Sync your calendar with the solar system: nyti.ms/2ECMtej New York, NYnytimes.com/science13 years on Twitter 1,166,347 followers | 26 |

265. | Adam Kucharski@AdamJKucharski Mathematician/epidemiologist at @LSHTM. @WellcomeTrust fellow and @TEDFellow. Author of The Rules of Contagion. kucharski.io8 years on Twitter 85,517 followers | 26 |

266. | Clara Grima@ClaraGrima Mujer, matemática, casada, con hijos, feliz :D Ah, y #moloinfinito 😉 Sevillaclaragrima.com10 years on Twitter 46,667 followers | 26 |

267. | Sabine Hossenfelder@skdh Physicist, blogger, author. Sometimes-songwriter, nighttime-philosopher. Maker of my own misery. she/her Germanybackreaction.blogspot.com12 years on Twitter 39,088 followers | 26 |

268. | Network Fact@NetworkFact Daily tweets about networks, graph theory, and related topics from @JohnDCook JohnDCook.com/networks6 years on Twitter 35,769 followers | 26 |

269. | Simons Foundation@SimonsFdn Advancing research in mathematics and the basic sciences New York, New Yorksimonsfoundation.org7 years on Twitter 9,317 followers | 26 |

270. | Lucy@honeypisquared Writing, editing,board gaming, tie-wearing, teaching, researching, broadcasting, comedying, mathing. NEW book 🏳️🌈 https://t.co/yFYCYndBxf (she/her) Cambridge, England9 years on Twitter 7,620 followers | 26 |

271. | Dave Gale@reflectivemaths Husband. Father of two. Co-host of Wrong, but Useful. Maths AST, SLE, SSAT Lead Practitioner and member of the TES Maths panel. #CoreMaths advocate South West, UKreflectivemaths.wordpress.com9 years on Twitter 6,472 followers | 26 |

272. | MMP - maths.org@MMPmaths University of Cambridge's Millennium Mathematics Project: supporting rich maths education for all ages. Also see our @nrichmaths @plusmathsorg & @MathsRoadshow Cambridge, UKmaths.org9 years on Twitter 6,332 followers | 26 |

273. | 𝕃 𝔸 𝕌 ℝ 𝔸 😷 𝔸 𝕃 𝔹 𝔼 ℝ 𝕋@lauraalbertphd Professor of ISyE at @UWMadison, #PunkRockOR blogger, analytics, @badgerbrackets, mom of 3, runner, hand washer, nerd, engineer. She/her. Opinions mine. Madison, WisconsinpunkrockOR.com11 years on Twitter 4,949 followers | 26 |

274. | Jim Noble@teachmaths I am a mathematics teacher who loves good ideas for rich, engaging mathematics lessons! I love some other things too, but maths ed is mostly what I tweet about. Toulouse, Franceteachmathematics.net10 years on Twitter 4,191 followers | 26 |

275. | Olivia Walch@oliviawalch does math, makes apps, draws comics (she/her) oliviawalch.com6 years on Twitter 3,733 followers | 26 |

276. | N. Ghoussoub@NGhoussoub Mathematician This is my personal twitterghoussoub.wordpress.com9 years on Twitter 2,764 followers | 26 |

277. | Maths World UK@MathsWorldUK The first major museum in the United Kingdom dedicated to mathematics. Retweets = not necessarily endorsements. United Kingdommathsworlduk.com8 years on Twitter 2,745 followers | 26 |

278. | Wild About Math!@wildaboutmath Blogger at Wild About Math! Podcasting about people Inspired by Math. Making Math fun and accessible Santa Fe, NMWildAboutMath.com5 years on Twitter until last tweet (2015-Jan-30) 2,565 followers | 26 |

279. | dan bach@dansmath 3d math artist author runner former teacher podcaster bay area northern californiadansmath.com13 years on Twitter 2,269 followers | 26 |

280. | Roice@roice713 Exploring mathematics through visualization. Austin, TXroice3.org3 years on Twitter 2,182 followers | 26 |

281. | Calvin James Smith 🏳️🌈@C_J_Smith Associate Professor of maths at University of Reading / Proud gay dad (adoption) / A somewhat dishevelled individual who tweets on his own behalf. He/Him 🏳️🌈 reading.ac.uk/maths-and-stat…9 years on Twitter 1,630 followers | 26 |

282. | Tony Mann@Tony_Mann I teach mathematics. I use Twitter solely in a private capacity and any tweets express only my own personal opinions. He/him. Greenwichtonysmaths.blogspot.co.uk11 years on Twitter 1,443 followers | 26 |

283. | Andrew Stacey@mathforge Mathematician: formally academic (differential topology), currently educational (secondary UK). Side interests in Maths & Programming & Art. Oxford, Englandloopspace.mathforge.org8 years on Twitter 1,132 followers | 26 |

284. | Peter Krautzberger@pkrautz All things math on the web. Contributes to @MathJax. Spare time goes to @mathblogging, @BoolesRings Europepeterkrautzberger.org9 years on Twitter 1,126 followers | 26 |

285. | Liz Munch@elizabethmunch Mathematician. Asst prof in @CMSE_at_MSU in topological data analysis. 55N31, 62R40. Mother of two small humans. Powered by coffee and sarcasm. She/her. East Lansing, MIelizabethmunch.com10 years on Twitter 1,018 followers | 26 |

286. | Chad Topaz@chadtopaz Social-justice-oriented professor of applied math/data science. Freelance violist. Gay yogi, unapologetic nerd, overzealous dad, gives free skin care advice. chadtopaz.com9 years on Twitter 1,012 followers | 26 |

287. | Ian Agol@agolian Mathematician Berkeley, CAmath.berkeley.edu/people/faculty…9 years on Twitter 894 followers | 26 |

288. | Vanessa Rivera Quiñones, PhD@MissVRiveraQ Math Bio • #Data • Education • Diversity/Inclusion • #SciComm • Lazy-eyed not lazy. 💕📚🎨☕️ BlackLivesMatter. Seeking jobs in Belgium & remotely. She/her 🇵🇷 vriveraq.github.io6 years on Twitter 670 followers | 26 |

289. | Edward Aboufadel@aboufade Mathematician and academic administrator. Tweets and retweets about applied math, politics, sports, and stocks. Motto: Enough of the nonsense! Michigansites.google.com/site/aboufadel…10 years on Twitter 623 followers | 26 |

290. | WIRED Science@WIREDScience Bringing the radiothermally generated heat. The team: @karaplatoni, @JetJocko, @MeganMolteni, @MrMattSimon, @dmoberhaus San Francisco, Californiawired.com/category/wired…12 years on Twitter 2,038,626 followers | 25 |

291. | Nassim Nicholas Taleb@nntaleb Flaneur: focus on probability (philosophy), probability (mathematics), probability (logic),probability (reallife), deadlifts, Phoenician wine, dead languages. realworldrisk.com8 years on Twitter 593,962 followers | 25 |

292. | Computer Science@CompSciFact Daily tweets about computer science and related stuff @JohnDCook. JohnDCook.com9 years on Twitter 214,557 followers | 25 |

293. | Carl T. Bergstrom@CT_Bergstrom Prof. Biol. @UW. Information flow in biology, society, & science. I love crows and ravens. he/him Book *Calling Bullshit* coming Aug 4th: tinyurl.com/y7ekfkhx Duwamish Lands (Seattle)ctbergstrom.com4 years on Twitter 95,809 followers | 25 |

294. | José Vilson@TheJLV The math teacher Gotham deserves. Author, This Is Not A Test. #EduColor ED. @MathForAmerica MT. NBCT. Big Educator Energy. This is our moment. 🦁 New York, NYthejosevilson.com11 years on Twitter 41,010 followers | 25 |

295. | Maths Inspiration@MathsInspiratn Inspirational and entertaining maths lecture shows for older teenagers, held in theatres across England and Wales. Over 150,000 at our shows since 2004. mathsinspiration.com10 years on Twitter 13,576 followers | 25 |

296. | Math Update@MathUpdate Breaking news about Mathematics, curated by @quiboatnews. Cambridge,MA6 years on Twitter until last tweet (2017-Jan-08) 8,155 followers | 25 |

297. | Howie Hua@howie_hua I teach math to future elementary school teachers at Fresno State. I also make math memes. Humanize math/higher ed. Pianist. Gymnast. DM friendly. Fresno, CAhowiehua.wordpress.com3 years on Twitter 8,149 followers | 25 |

298. | Math_Bits@Math_Bits Bits of mathematics lore; theory, practice, history, and possibilities. Once per day, more or less, depending on the breaks or the grotesques. Top of Notre Dame8 years on Twitter until last tweet (2017-Jun-14) 6,174 followers | 25 |

299. | mathheadinc@mathheadinc Teaching, tutoring math and calculus, with enthusiasm and an ever present sense of wonder, to students 6 & up since 1995. Anyone can learn anything! Kansas City MOmathheadinc.com11 years on Twitter 5,907 followers | 25 |

300. | IMA@ima_umn The Institute for Mathematics and its Applications was founded in 1982 and is among the most influential math institutes in the world. Minneapolis, Minnesotaima.umn.edu8 years on Twitter 3,165 followers | 25 |