Web Authors (Science) - Hall of Fame

Many people share their knowledge on the Internet, but the outstanding contributions of a�few�dedicated�scientists belong in this "Hall of Fame" (in alphabetical order).� [ Nominate ]

Suzanne Alejandre
Cory Arnold
Arvin Ash
John C. Baez
Trefor Bazett
Alexander�Bogomolny
Kevin S. Brown
Chris K. Caldwell
Peter J. Cameron
David W. Cantrell
Umberto Cerruti
Daniel Chan
Jim Clark
Angela Collier
J�r�me Cottanceau
Dianna Cowern
Karl Dahlke
David Darling

Glenn Elert
David�Eppstein
Hank�Green
CGP�Grey
James�Grime
Toby Hendy
Chris Hillman
Brady Haran
Joe Hanson
Vi Hart
Colin Hughes
K. Houston-Edwards
Sal Khan
Robert L. Kuhn
Ron Kurtus
Cynthia Lanius
Walter Lewin
Don Lincoln

Brian J. McManus
Jeff Miller
Derek Muller
Robert�Munafo
Rod�Nave
John�J.�O'Connor
Sten Odenwald
Matt O'Dowd
James J. Orgill
Matt�Parker
Ed�Pegg�Jr.
Anton�Petrov
Dan�Piponi
Simon�Plouffe
Burkard�Polster
Henry�Reich
Edmund�Robertson
Russ�Rowlett

Dave�Rusin
Grant�Sanderson
Destin�Sandlin
Christoph�Schiller
Frederic�Schuller
Alom�Shaha
Neil Sloane
Becky Smethurst
Michael Stevens
Leonard�Susskind
Jade Tan-Holmes
Terence�Tao
Peyam Tabrizian
Mike�de�Villiers
Alec�Watson
Eric�Weisstein
Robin�Whitty
Ned�Wright

�

Now listed chronologically in (approximate) order of birth.

Walter Lewin, professor of physics� (1936-)

Walter Lewin is an astrophysicist and a teacher with a flair for showmanship.� His legendary undergraduate lectures at MIT were broadcasted by UWTV (Seattle) and were online in video form, through MIT's OpenCourseWare.� In March 2017,� Quora� blocked / unblocked him.� So, he left.

(New) YouTube Channel � | � home � | � 8.01 � | � 8.02 � | � 8.03 � | � NY Times � | � Last lecture � | � 2015

Neil J.A. Sloane, � AMS� Fellow � (1939-)

Neil James Alexander Sloane� created a huge� encyclopedia� (oeis.org)� of noteworthy integer sequences.� Each sequence is uniquely identified by a� 6-digit� A-number� (e.g., A000055)� known far and wide as a� Sloane number.

Leonard Susskind,� top physicist� (1940-)

One of the founders of� string theory� (he coined the term� worldsheet).� Professor of theoretical physics at Stanford since 1979.� His ongoing series of videos on� Modern Physics� (Stanford Continuing Studies)� have been available online since 2008.

blog � | � stats � | � LearnOutLoud � | � Wikipedia

Ron Kurtus, engineer (1940-)

Ron Kurtus is an engineer who spent a few years in the entertainment industry before returning to electro-optical engineering.� He has established a strong online presence focusing on Science education, mostly at the high-school level.

home � | � School for Champions (SfC) � | � SfC Publishing

Carl R. "Rod" Nave, professor of physics

Department of Physics & Astronomy, Georgia State University.� The quaint style of HyperPhysics comes from the� HyperCard^�� system (Apple Computer) for which it was originally designed.

HyperPhysics � [ without index frame ] � | � HyperMath

Edmund F. Robertson� (1943-)

Edmund Robertson is one of the two editors (with John O'Connor) of the authoritative� MacTutor History of Mathematics� archive.� He is a� Professor emeritus� of pure�mathematics at the University of St Andrews.

home � | � CV � | � stats � | � MacTutor History of Mathematics � | � Wikipedia

Russell J. Rowlett, metrologist� (1944-)

He was director of the� Center for Mathematics and Science Education of the University of North Carolina at Chapel Hill� (which was closed due to budget cuts, on 2010-06-30).� Rowlett� advocates his own system for naming large numbers by combining metric and Greek� (chemical)� prefixes.

home � | � genealogy � | � Lighthouse directory � | � How Many?� A Dictionary of Units of Measurement � | � Twitter

Jim Clark, chemistry teacher (1944-)

A Cambridge graduate who spent over 30 years teaching A-level chemistry� (to 16-18 year old students).� In�1997, he retired from Truro School (Cornwall) to concentrate on writing and promoting a true� understanding of chemistry.

about � | � Amazon page � | � Chemguide online

Robert Lawrence Kuhn � (1944-)

Robert Kuhn� holds a BS in biology� (Johns Hopkins, 1964)� a doctorate in� brain research� (UCLA, 1968)� and a mid-career MBA� (MIT Sloan, 1980).� Kuhn is a financial advisor and political commentator with ties to� China.� He has hosted and produced the PBS series� Closer to Truth� since 2000.

YouTube � | � Closer to Truth � | � Wikipedia

John J. O'Connor� (1945-)

J.J. O'Connor is one of the two editors (with E.F. Robertson) of the authoritative� MacTutor History of Mathematics� archive, which is the most popular� online� part of the� Mathematical MacTutor� "stack"� (running on Apple's HyperCard� system).

home � | � MacTutor History of Mathematics � | � Wikipedia

Peter J. Cameron,� mathematician� (1947-)

Born in Australia.� Emeritus professor of mathematics at Queen Mary, University of London� (QMUL).� Currently (2014) Prof.�Cameron is also working part-time as professor of mathematics at the� University of Saint-Andrews, Scotland� (School of Mathematics & Statistics).

Edward L. "Ned" Wright, cosmologist� (1947-)

Astronomy Professor at UCLA (Los Angeles).

stats � | � Cosmology Tutorial � | � Cosmology Calculator

Alexander Bogomolny� (1948-2018)

Professor emeritus of mathematics at the� University of Iowa.� Until May 2004, Bogomolny had a monthly column on�the site of the� Mathematical Association of America.

Cut The Knot � | � Other Math Sites � | � Ph.D. 1981 � | � Wikipedia

Umberto Cerruti, algebraist (1948-)

Department of Mathematics, University of Torino (Italy).

Math News

David W. Cantrell, mathematician (1949-)

Known for his presence on mathematical newsgroups, where he�answers popular questions and offers original contributions,� David Cantrell also contributes to MathWorld, Numericana, etc.

Ignorance is bliss... � | � Recent Posts � | � FaceBook

Suzanne Alejandre, math teacher

Suzanne Alejandre� was� Educational Resource & Service Developer� at� The Math Forum @ Drexel.� She has been providing online lesson plans conforming to the� NCTM Standards� (National Council of Teachers of Mathematics).

Suzanne's Mathematics Lessons � | � Ask Dr. Math � | � The Math Forum @ Drexel � | � LinkedIn � | � Twitter

Jeff Miller,� educator � (c.1952-)

Mathematics teacher� (1994-2017)� at� Gulf High School� in� New Port Richey� (Florida)� where he's been living since 1980.� Named� teacher of the year� in� 2005� and� 2013.� Jeff�Miller� created an authoritative page about the "Earliest Known Uses of Some of the Words of Mathematics".�

Sten F. Odenwald, astronomer (1952-)

Born in Karlskoga, Sweden,� Sten Odenwald� received his Ph.D. in astronomy from Harvard in 1982.� Author of several books,� he is currently affiliated with NASA's GSFC and the Catholic University of America.� Diagnosed with cancer in 2008,� he is now in� remission and optimistic!

David Darling, science writer (1953-)

David Darling� earned his Ph.D. in Astronomy from Manchester in 1977 under Zdenek Kopal and worked for Cray Research...� A�full-time writer since 1982, Darling has lived in both the US and the UK.� He has been running his websites since 1999.

The Worlds of David Darling �|� Encyclopedia of Science �|� Sustainable Living �|� Children's Encyclopedia

Mike de Villiers, � educator� (c.1956-)

A former high-school teacher� (HDE in 1978, "Best Science Teacher" in 1983, DEd in 1990)� who went on to teach mathematics education.� Former editor of PYTHAGORAS, author of 7 books and over 150 papers.� Vice-chair of the SA Mathematics Olympiad since 1997.

home � | � Sketchpad � | � Documents � | � Constant Width

Chris K. Caldwell, number theorist (1956-)

Professor in the Department of Mathematics and Statistics, at�UT�Martin.

home � | � The Prime Pages � | � The Prime Glossary � | � PhD (1984)

Simon Plouffe, numerologist (1956-)

He collaborated to Sloane's Encyclopedia of Integer Sequences. Plouffe is best known for his� Inverter,� which looks for symbolic expressions of decimal numbers� (that allowed� me� to identify the� transfinite sum of the harmonic series� as� Log�2p� in a matter of seconds,� on� 2018-07-12).

home � | � Plouffe's Inverter

David J. Rusin � (1957-)

<[email protected], +1-512-471-6112, fax=+1-512-471-9038--> A former associate professor of mathematics at NIU (1986-2010)� he's�moved to the University of Texas.� Dave Rusin� launched a website in 1996 to share mathematical tidbits he had collected since 1990,� using the� Mathematics Subject Classification� (MSC).

home � | � bio � | � personal � | � The Mathematical Atlas � | � Index (MSC)

Robin Whitty, theorem collector � (1960-)

Whitty received his Ph.D. in 1984 from� London South Bank University,� where he has served as a visiting professor.� Inspired by� MacTutor's� Mathematician of the Day,� Robin Whitty� started� Theorem of the Day� in 2005, aiming for 366 theorems.�

Christoph Schiller� (1960-)

Christoph Schiller is a citizen of the world who was raised in Italy, studied physics in Germany and obtained a Belgian Ph.D. in�physics.� He has made available for free download (pdf) a�nicely crafted physics textbook of about 1500 pages.

home � | � Top recommendations (including Numericana) � | � Motion Mountain (textbook)

Karl Dahlke, blind scientist (1960-)

Dahlke has been� totally blind� since age 10.� He once managed to write a speech synthesizer on his Apple�II using the bell as sole feedback.� His text-based mathematical site is so good that it can be� extremely� useful to sighted people.

home � | � edbrowse� (Editor Browser for the blind�) � | � e-book � | � mathreference.com

Kathy Joseph

home � | � YouTube

John Baez, mathematical physicist (1961-)

Professor at UC Riverside, interested in Category theory.� The folk singer Joan Baez (b.1941-01-09) is his cousin.� John C. Baez was�a one-man army who answered many physics questions on sci.physics.research.� The� aperiodic column� he started in 1993 would inspire the� blog� format.

David A. Eppstein,� computer scientist � (1963-)

Professor in the School of Information and Computer Science, at�UC�Irvine.
�

Ed Pegg, Jr.,� Math recreationist (1963-)

As a mathematician with a strong interest in recreational mathematics,� Ed Pegg Jr.� may well be the� heir apparent� to� Martin Gardner� 1914-2010)� in the Internet era.� He helped Stephen Wolfram with NKS and joined MathWorld in 2004.

Ed Pegg Jr.'s Math Games (MAA Column) � | � MathPuzzle.com � | � Wikipedia

Cynthia Lanius, teacher & activist

Cynthia Lanius is vocal about the underrepresentation of women in mathematics and computing.� She is Associate director for� The Math Forum @ Drexel, but continues to maintain her own k-12 math site, hosted at Rice University.

Fun Mathematics Lessons (K-12) � | � Ask Dr. Math � | � The Math Forum @ Drexel � | � LinkedIn

Robert Munafo, programmer (1964-)

An amateur mathematician whose interests include integer sequences, large numbers and fractals� (especially the Mandelbrot set)� Munafo� maintains an authoritative site on trivia about specific numbers.� He has contributed to Sloane's OEIS.

Glenn A. Elert,� physics teacher � (1964-)

Glenn Elert teaches at Midwood High School at Brooklyn College�(NY).� He acts as the editor of the� Physics Factbook,� a large collection of essays written by high-school students as an exercise in� library research� methods (in a scientific context).

home � | � Hypertextbook + new � | � Physics Factbook � | � Get Bent � | � Twitter

Don Lincoln,� particle physicist� (1964-)

Don� got his Ph.D. from� Rice� in 1994.� He helped discover the� top quark� at� Fermilab� in 1995 and the� Higgs Boson� at the� LHC� in 2012.� He is a noted popularizer of high-energy physics.� Since 2011,� Don� has been producing and hosting great outreach videos for Fermilab� (see some samples).

Arvin Ash� (c. 1965-)

He claims to hold a BS in chemical engineering, an MS in mechanical engineering, and an MBA.� He also says he attended medical school for 2 years.� He doesn't specify where or when.� All the videos I have seen from him (since 2018) are top notch and I'm happy to leave it at that.

Burkard Polster, mathematician� (1965-)

He started his� Mathologer� videos in 2015,� with the help of� Giuseppe Gerachitano.� He has authored� many books,� some with fellow mathematician� Marty Ross� (author of the blog� Bad Mathematics,� mathematicalcrap.com).� Since 2004,� the pair has maintained a joint website,� entitled� Maths Masters.

Dan Piponi, computer graphics guru (1966-)

Thinker, tinkerer and� Academy Award� winner...� Signing� sigfpe,� Dan Piponi maintains the blog� A Neighborhood of Infinity� (great name!)� which features some superb essays about quantum physics and other mathematical topics.

sigfpe � | � A Neighborhood of Infinity (blog) � | � Google Science Fair (2012-12-19)

Dr. Kevin S. Brown� (Kent, WA)

Kevin Brown� signs his name only once in his� MathPages� website� (which doesn't have� any� external links).� Before 1999, he was discussing Relativity and other mathematical topics on USENET.� He's related to Fred Olden, not Anatoly.

MathPages.com � | � Reflections on Relativity � | � Kevin Brown's Storefront

Chris Hillman, general relativist

Chris started RelWWW as a graduate student at UW in 1992.� He�left his pages in the care of John Baez before returning in March 2007, disappointed by his Wikipedia experience.� Sadly, Hillman lost faith again in June 2007 but remains active online.

Relativity on the World Wide Web ("RelWWW" closed down in June 2007) � | � Ersatz, S.�Carroll, etc.

Colin Hughes, British Teacher

In October 2001,� Colin Hughes� started� Project Euler� (as a section of MathsChallenge.net)� where readers are posed mathematical questions which can be answered by designing a computer program that can run in "less than a minute".

Project Euler � | � MathsChallenge.net � | � Wikipedia (Project Euler) � | � Programming

Eric W. Weisstein, encyclopedist � (1969-)

Weisstein� holds a BA in Physics from Cornell (1990) and degrees in� Planetary Astronomy� from Caltech� (MS in 1993 and Ph.D. in 1996).� He created� MathWorld,� a major online encyclopedia which was threatened, in 2000, by an infamous lawsuit from CRC, publisher of a book based on it.

_� home � | � Eric's Favorite Links � | � Treasure Troves of Science � | � World of Mathematics � | � World of Physics

Daniel Chan,� professor of mathematics� (1971-)

Born in� Hong-Kong.� As he was a late developer, his parents rushed emigration to Australia (1974) so he could start school later (1975).� After a� junior post� at� Michigan (2000-2002)� Chan joined the faculty of� UNSW Sidney� where he�was named� head of pure mathematics� in� 2016.

Matt O'Dowd,� astrophysicist � (1973-)

Matt O'Dowd� was a� Lehman College astrophysics professor� when he was recruited as host for the very popular PBS Web Series� Space Time� in� August 2015� to replace� Gabe Perez-Giz,� (who moved to the NSF in Washington).� Graeme Gossel� writes some of the scripts for that channel.

PBS Space Time (YouTube) � | � CV � | � Twitter

Terence Tao,� mathematician � (1975-)

Born in Australia,� Terence Chi-Shen Tao� is a professor of mathematics at UCLA� (he was granted full professorship at age 24).� Terry Tao� received the� Fields Medal� in 2006� (see PAP) and was elected a� Fellow of the Royal Society� (2007).

Frederic P. Schuller � (1975-)

Associate professor of applied mathematic at the� University of Twente� since 2019.� He is known for the clarity of his old-school lectures on mathematical topics related to mathematical physics.

Ph.D. 2004 � | � CV � | � YouTube Channel � | � Facebook Fan Club � | � LinkedIn

Brady Haran, Australian video journalist

Brady� started the� Periodic Table of Videos (PTOV) in 2008 as an unscripted series of interviews with� Martyn Poliakoff.� This grew into several series about Science� (more recently, religion and philosophy)� featuring an endearing bunch of faculty members at the University of Nottingham.

Sal Khan � (1976-)

Salman Khan�

Khan Academy � | � Wikipedia

Alom Shaha,� filmmaker

Born in Bangladesh, raised in London, UK� (where he works).� Alom Shaha� is a physics teacher, film-maker, science writer and TV producer.� His approach to science communication was rewarded by a fellowship of the� National Endowment for Science Technology and the Arts.

home � | � article � | � Labreporter � | � The Young Atheist's Handbook � | � Recipes for Wonder

Anton Petrov � (c.1978-)

Former high-school science teacher who toys with� Universe Sandbox� and puts out a constant stream of videos about papers in astrophysics and the latest space-related news.

Hank Green � (1980-)

Hank started the� VlogBrothers� channel in 2007 with his brother� John� (b.�1977).� Hank's portfolio grew to includes� SciShow, SciShow Kids, SciShow Space, SciShow Psych, CrashCourse...� Also hosts� PBS Eons� (PBS Digital Studios, 2017-06-22)� with� Kallie Moore� and� Blake de Pastino.

home � | � Crash Course (since 2011) � | � Internet Creators Guild � | � Wikipedia � | � Twitter

CGP Grey � (1980-)

Colin Gregory Palmer Grey.� Podcasts:� Hello, Internet (HI) with Brady Haran� and� Cortex� with� Myke Hurley.
�

James Grime � (1980-)

Born and raised in Nottingham.� Msci from Lancaster� and� Ph.D. from York� (2007, under Maxim Nazarov).� Now a public speaker based at� Cambridge's� Institute of Continuing Education, he is best known as a regular on Brady Haran's� Numberphile.� Grime also runs the SingingBanana channel.

Matt Parker,� mathematics educator� (1980-)

Parker is a former teacher of high-school mathematics from Australia.� Since 2014,� he has been married to science communicator Lucie Green.
�

Destin Sandlin,� engineer � (1981-)

Having posted educational videos since 2007,� he launched� Smarter Every Day� on 2011-04-24� (retroactively including his first million-view video, posted on 2008-06-15).

Vitalii Vanovschi, software engineer� (c.1982-)

Vitalii Vanovschi� created� The Number Empire� in 2006.� He is a computer scientist with a strong interest in chemistry.� In�2009, he obtained his Ph.D from the� University of Southern California� and became a� software engineer� at Google.

home � | � LinkedIn � | � The Number Empire � | � Integral Calculator � | � Number Factorizer

Derek Muller,� physics educator � (1982-)

Muller created 3 YouTube channels:� Veritasium (Jan. 2011),� 2veritasium (Jul. 2012),� and Sciencium (Feb. 2017).� Muller holds a Ph.D. in science education.� He is concerned with the way misconceptions arise and are communicated,� in physics and elsewhere:� E.g.,� Illusion of Truth,� Post-Truth.

Joe Hanson,� biologist � (1983-)

First appeared on TV in� The Beauty and the Geek� (2005).� Hanson got his Ph.D. in cell and molecular biology from the University of Texas at Austin (2006-2013).� In 2013,� he created the YouTube channel� It's Okay To Be Smart� (PBS Digital Studios)� which he has been hosting ever since.

Writer for Wired (2013) � | � ComSciCon � | � Instagram � | � LinkedIn � | � Twitter

Michael Stevens� (1986-)

What matters more?� Being right or fitting in?

Stevens launched the� VSauce� YouTube channel on June 24, 2010.� It has now more than 12 million subscribers and 1.2 billion views.� Four successful spinoffs are hosted by Stevens himself,� Kevin�Lieber� or� Jake�Roper.

James J. Orgill,� engineer� (c.1987-)

Orgill obtained his Ph.D. in chemical engineering from� Brigham Young University (BYU)� in 2014.� He started his YouTube channel� The Action Lab� in May of 2016.

Peyam R. Tabrizian,� mathematician � (1987-)

Born in Iran,� he grew up in Vienna� (Lyc�e Fran�ais de Vienne) and graduated from� Lyc�e Fran�ais de New-York.� He got his Ph.D. from UC Berkeley� (May 2016)� and spent a postdoc year in Williams College before joining the faculty of UCI.� He started his YouTube channel in August 2017.

Vi Hart,� mathemusician � (1988-)

Victoria Hart� is the talented child of� MoMath� co-founder George W. Hart (1955-)� himself� noted for his� "Virtual Polyhedra"� page� (online encyclopedia of polyhedra, 1996).� Vi�Hart� achieved viral fame with� stop-motion animations� on math themes.� She once called herself� gender agnostic.

Henry Reich,� physicist � (1988-)

Creator of the� MinutePhysics� videos� (June 2011).� Reich� illustrates with stick figures pithy comments which are scientifically accurate.� Holding an MS in Physics� (his thesis is on GR)� he became a� digital artist in residence at the� Perimeter Institute.

Brian James McManus,� Irish engineer� (c. 1988-)

He holds a BS in biomedical engineering from� NUI Galway (2011) and an MS in aeronautical engineering from� Limerick (2013).� In 2016,� inspired by Destin Sandlin,� Brian started producing videos full-time about engineering topics.� He founded Junto Media in 2017� (1-4 employees).

Alec Watson� (c. 1988)

Based in Chicago.

ElJj,� J�r�me Cottenceau

Professeur agr�g� de math�matiques (Lyc�e L�onard de Vinci, Montaigu-Vend�e)

Choux romanesco, Vache qui rit et int�grales curvilignes � | � Le choix du meilleur urinoir

Dianna Cowern,� physicist � (1989-)

She created the� Physics Girl� channel in 2011.� Dianna Cowern has enrolled a team of half-a-dozen part-time people, including writers� Sophia Chen� and� Jade Tan-Holmes� who went on to create her own successful channel in 2016.� (Science�Magazine, 2017-03-16.) � Health update

Alex Meyer

Alex once owned the trademark� Tech Ingredients� and has used it since 2013 with the stellar host he once called�Grandpa Tech� and who may be his own father.

Incorporated (NH, 2019)

Cory Arnold,� musicologist � (1989-)

Autistic� musician with a degree in vocal performance.� His main occupation is the YouTube channel� 12tone,� consisting of fast-paced presentations of music theory voiced over the accelerated drawing� (right-to-left, on blank music sheets)� of a limited number of doodles loosely related to the topics.

Trefor Bazett,� mathematician

As a graduate student in Toronto,� Bazett was recognized for��teaching excellence in 2015.� After a� first position� at the�University of Cincinatti,� Bazett became an� assistant teaching professor� at� UVic,� in June 2019.� His father,� Desmond W. Bazett (1952-) is an architect in Victoria, BC.

Rebecca J. Smethurst,� astrophysicist � (c.1990-)

Becky Smethurst� competed� in the 2014 UK final FameLab,� where she took second place but was� Audience Winner.� She obtained her Ph.D. in astrophysics from� Oxford� in 2017.

Grant Sanderson (c.1991-)

Graduated from Stanford in 2015.� Q&A, 2018 (10:20).

Kelsey Houston-Edwards,� mathematician

A native of San Diego, she's currently a Ph.D. Student at Cornell (BA 2013, MS 2016).� In September 2016,� Kelsey� created the YouTube channel� PBS Infinite Series,� hosting it until Nov. 2017� (it closed in� May 2018).� She was named� AMS-AAAS Mass-Media Fellow� at NOVA Next in 2016.

PBS Infinite Series� (farewell) � | � Hum 110 @ Reed College (Portland, OR) � | � AMS Blogs � | � AAS � | � Twitter

Angela Collier,� Ph.D.� (c. 1991-)

A first-generation graduate student� who shares her views of American Academia.� She also describes some dysfunctions in the research community.

Home � | � CV � | � JILA � | � YouTube � | � Twitter

Jade Tan-Holmes,� Australian physicist� (1992-)

She says 3 years of applied physics (BS) taught her she was terrible at experiments.� She got interested in making physics and math videos on YouTube and started out as a writer for� Physics Girl (2012)� where she played herself once� (2018).� Jade launched her own channel� Up and Atom� in April 2016.

Toby Hendy,� physicist � (1995-)

Former� Ph.D. student� at the� Australian National University,� On� 2019-02-08,� she presented her reasons for quitting.� Her� Tibees� channel focuses on the academic experience:� From topics and sample exams to school reports and doctoral dissertations of famous scientists.

Trevor Kai Hai Cheung,� statistician �

Mathemaniac YT � | � James-Stein estimator (1961) � | � 2019 Scholar, Magdalene � | � Twitter

Science YouTubers

BrainSTEM meeting of 2012, informally covered in Veritassium� and� Sixty Symbols.