Which mathematician was born first, Pyotr Novikov or Dmitri Egorov?
Dmitri Egorov Dmitri Fyodorovich Egorov (Russian: Дми́трий Фёдорович Его́ров ; December 22, 1869 – September 10, 1931) was a Russian and Soviet mathematician known for significant contributions to the areas of differential geometry and mathematical analysis. He was President of the Moscow Mathematical Society (1923 — 1930).
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.