Whose contributions to math came later, Eugen Slutsky or Vladimir Arnold?
Eugen Slutsky Evgeny "Eugen" Evgenievich Slutsky ( ; ( Евге́ний Евге́ньевич Слу́цкий) 7 April [O.S. 19 April] 1880 – 10 March 1948) was a Russian/Soviet mathematical statistician, economist and political economist.
Otto Schmidt Otto Yulyevich Schmidt (Russian: Отто Юльевич Шмидт ; September 30 [O.S. September 18] 1891 – September 7, 1956) was a Soviet scientist, mathematician, astronomer, geophysicist, statesman, academician, Hero of the USSR (27 June 1937), and member of the Communist Party.