Evgenii Landis, Ukrainian-Russian mathematician and academic (b. 1921)
Evgenii Mikhailovich Landis (Russian: Евге́ний Миха́йлович Ла́ндис, Yevgeny Mikhaylovich Landis; 6 October 1921 – 12 December 1997) was a Soviet mathematician who worked mainly on partial differential equations.