Mikhail Lavrentyev
Soviet mathematician
Mikhail Alekseyevich Lavrentyev was a Soviet mathematician and hydrodynamicist. Wikipedia
Born: November 19, 1900, Kazan, Russia
Died: October 15, 1980 (age 79 years), Moscow, Russia
Children: M. M. Lavrent'ev
Award: Lomonosov Gold Medal (1977)