John C. Baez

This article is about the American mathematical physicist. For the video-game programmer and creator of the video game "Alien Hominid", see The Behemoth.
John C. Baez

John C. Baez (August 2009)
Born (1961-06-12) June 12, 1961
San Francisco, California, United States
Nationality American
Fields Mathematics, Physics
Institutions University of California, Riverside
Alma mater Princeton University (undergraduate)
Massachusetts Institute of Technology(Ph.D)
Yale University (Postgraduate)
Thesis Conformally Invariant Quantum Fields (1986)
Doctoral advisor Irving Segal
Notable awards Levi L. Conant Prize (2013) [1]

John Carlos Baez (/ˈb.ɛz/; born June 12, 1961) is an American mathematical physicist and a professor of mathematics at the University of California, Riverside (UCR)[2] in Riverside, California. He is known for his work on spin foams in loop quantum gravity.[3][4] For some time, his research had focused on applications of higher categories to physics and other things.[5][6]

Baez is also known to science fans as the author of This Week's Finds in Mathematical Physics,[7] an irregular column on the internet featuring mathematical exposition and criticism. He started This Week's Finds in 1993 for the Usenet community, and it now has a following in its new form, the blog "Azimuth". This Week's Finds anticipated the concept of a personal weblog.[8] Additionally, Baez is known on the World Wide Web as the author of the crackpot index.

Early life and education

Baez was born in San Francisco, California. He graduated from Princeton University in Princeton, New Jersey, with a Bachelor of Arts in mathematics in 1982. In 1986, he graduated from the Massachusetts Institute of Technology in Cambridge, Massachusetts, with a Doctor of Philosophy under the direction of Irving Segal. After a post-doctoral period at Yale University in New Haven, Connecticut, he has been teaching — since 1989 — at UC Riverside. From 2010 to 2012 he took a leave of absence to work at the Centre for Quantum Technologies in Singapore, and since then he works there in the summers.


Baez runs the blog "Azimuth," where he writes about a variety of topics ranging from This Week's Finds in Mathematical Physics to the current focus, combating climate change and various other environmental issues.

Baez is also co-founder of the n-Category Café (or n-Café), a group blog concerning higher category theory and its applications, as well as its philosophical repercussions. The founders of the blog are Baez, David Corfield and Urs Schreiber, and the list of blog authors has extended since. The n-Café community is associated with the nLab wiki and nForum forum, which now run independently of n-Café. It is hosted on The University of Texas at Austin's official website.


His physicist uncle, Albert Baez (inventor of the X-ray microscope and father of singer and progressive activist Joan Baez), interested him in physics as a child.[9]

John Baez is married to Lisa Raphals who is a professor of Chinese and comparative literature at UCR.[10][11]

Selected publications


  1. "2013 Conant Prize" (PDF), Notices of the AMS, 60 (4): 484–485, April 2013
  2. UC Riverside, Department of Mathematics
  3. Baez, John C. (1998), "Spin foam models", Class. & Quantum Gravity 15, 1827–1858
  4. Top Cited Articles of All Time (2004 edition) in gr-qc
  5. John Baez Diary - January 2010, 2010-01-01
  6. John C. Baez and Aaron Lauda, A Prehistory of n-Categorical Physics, Deep beauty, 13-128, Cambridge Univ. Press, Cambridge, (2011).
  7. This Week's Finds
  8. Lieven LeBruyn, The unbearable lightness of math-blogging, 23 August 2007
  9. "Interview by David Morrison". Retrieved May 24, 2009.
  10. February 17, 2007 - Lisa Raphals and I got married today! (Diary - February 2007)
  11. Lisa Raphals (UCR faculty page)


External links


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