Were Maxim Kontsevich and Aleksandr Lyapunov both mathematicians?
Maxim Kontsevich Maxim Lvovich Kontsevich (Russian: Макси́м Льво́вич Конце́вич ;   ; born 25 August 1964) is a Russian and French mathematician. He is a professor at the Institut des Hautes Études Scientifiques and a distinguished professor at the University of Miami. He received the Henri Poincaré Prize in 1997, the Fields Medal in 1998, the Crafoord Prize in 2008, the Shaw Prize and Fundamental Physics Prize in 2012, and the Breakthrough Prize in Mathematics in 2014.
Alexander Kotov Alexander Alexandrovich Kotov (Алекса́ндр Алекса́ндрович Ко́тов; 12 August [O.S. 30 July] 1913 – 8 January 1981) was a Soviet chess grandmaster and author. He was a Soviet champion, a two-time world title Candidate, and a prolific chess author. Kotov served in high posts in the Soviet Chess Federation and most of his books were written during the period of Cold War between the US and the USSR.