Igor Borisovich Frenkel (Russian: ????? ????????? ????????; born April 22, 1952) is a Russian-American mathematician at Yale University working in representation theory and mathematical physics.
Frenkel emigrated to the United States in 1979.
He received his PhD from Yale University in 1980 with a dissertation on the "Orbital Theory for Affine Lie Algebras".
He held positions at the IAS and MSRI, and a tenured professorship at Rutgers University, before taking his current job of tenured professor at Yale University.
He was elected to the National Academy of Sciences in 2018.
He is also a Fellow of the American Academy of Arts and Sciences.