Which mathematician was born first, Pyotr Novikov or Dmitri Egorov?
Pyotr Novikov Pyotr Sergeyevich Novikov (Russian: Пётр Серге́евич Но́виков ; 15 August 1901, Moscow, Russian Empire – 9 January 1975, Moscow, Soviet Union) was a Soviet mathematician.
Boris Feigin Boris Lvovich Feigin (Russian: Бори́с Льво́вич Фе́йгин ) (born November 20, 1953) is a Russian mathematician. His research has spanned representation theory, mathematical physics, algebraic geometry, Lie groups and Lie algebras, conformal field theory, homological and homotopical algebra.