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.
Grigory Grabovoy Grigory Petrovich Grabovoy (Russian: Григо́рий Петро́вич Грабово́й ) (born November 14, 1963 in the region of Shymkent, Kazakhstan) is a Russian Doctor of Mathematics. Furthermore he claims to be a clear-sighted healer and the founder of the System of "Salvation and Harmonious Development" of all beings.