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.
Semën Samsonovich Kutateladze Semën Samsonovich Kutateladze (born October 2, 1945 in Leningrad, now St. Petersburg) is a mathematician. He is known for contributions to functional analysis and its applications to vector lattices and optimization.