Andrey Gaponov-Grekhov
Andrei Viktorovich Gaponov-Grekhov (; 7 June 1926 – 2 June 2022) was a Russian physicist. He was a professor at N. I. Lobachevsky State University of Nizhny Novgorod. He was born in Moscow. In 1991, he became a member of the Russian Academy of Sciences.