Frenkel was tenured at Berkeley in his early 20s, at an age when most people are still in grad school. His mathematical achievements are substantial. I've no

Frenkel was tenured at Berkeley in his early 20s, at an age when most people are still in grad school. His mathematical achievements are substantial. I've no doubt that he was on the list of candidates for the Fields at some point in the late 90s & early 2000s.