Were Maxim Kontsevich and Aleksandr Lyapunov both mathematicians?
Aleksandr Lyapunov Aleksandr Mikhailovich Lyapunov (Russian: Алекса́ндр Миха́йлович Ляпуно́в , ] ; June 6 [O.S. May 25] 1857 – November 3, 1918) was a Russian mathematician, mechanician and physicist. His surname is sometimes romanized as Ljapunov, Liapunov, Liapounoff or Ljapunow. He was the son of astronomer Mikhail Lyapunov and the brother of pianist and composer Sergei Lyapunov.
Nikolay Kochetkov Nikolay Konstantinovich Kochetkov (Russian: Никола́й Константи́нович Кочетко́в ; May 18, 1915 in Moscow – 2005) was a Soviet chemist and academician (1979). Awarded the Lomonosov Gold Medal in 1994.