The Vafa–Witten theorem is named after Cumrun Vafa and another person who is a professor at what school?
Edward Witten Edward Witten ( ; born August 26, 1951) is an American theoretical physicist and professor of mathematical physics at the Institute for Advanced Study in Princeton, New Jersey.
James Sethian James Albert Sethian (born 10 May 1954) is a professor of mathematics at the University of California, Berkeley, and the head of the Mathematics Group  at the United States Department of Energy's Lawrence Berkeley National Laboratory.