Are both Vladimir Drinfeld and Lev Pontryagin counted as mathematicians?
Vladimir Drinfeld: Vladimir Gershonovich Drinfeld (Russian: Влади́мир Гершо́нович Дри́нфельд ; born February 14, 1954), surname also romanized as Drinfel'd, is a Ukrainian mathematician currently working at the University of Chicago. Lev Pontryagin: Lev Semyonovich Pontryagin (Russian: Лев Семёнович Понтрягин , also written Pontriagin or Pontrjagin) (3 September 1908 – 3 May 1988) was a Soviet mathematician.
yes