Who has one more Fields Medals, Vladimir Voevodsky or Aleksandr Lyapunov.?
Vladimir Voevodsky:  His work in developing a homotopy theory for algebraic varieties and formulating motivic cohomology led to the award of a Fields Medal in 2002. 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.
i don't know