Who has received more medals, Andrei Okounkov or Valery Goppa?
Andrei Okounkov: Andrei Yuryevich Okounkov (Russian: Андре́й Ю́рьевич Окунько́в , "Andrej Okun'kov") (born July 26, 1969) is a Russian mathematician who works on representation theory and its applications to algebraic geometry, mathematical physics, probability theory and special functions. Andrei Okounkov:  In 2006, he received the Fields Medal "for his contributions to bridging probability, representation theory and algebraic geometry." Valery Goppa: Valery Denisovich Goppa (Russian: Вале́рий Дени́сович Го́ппа ; born 1939) is a Soviet and Russian mathematician.
Andrei Yuryevich Okounkov