Mstislav Keldysh

Mstislav Keldysh
Мстислав Келдыш
Keldysh in 1971
Born	(1911-02-10)10 February 1911 Riga, Governorate of Livonia, Russian Empire
Died	24 June 1978(1978-06-24) (aged 67) Moscow, Russian SFSR, Soviet Union
Resting place	Kremlin Wall Necropolis
Nationality	Soviet
Alma mater	Moscow State University
Relatives	Lyudmila Keldysh (sister) Pyotr Novikov (brother-in-law) Mstislav Keldysh (nephew) Leonid Keldysh (nephew)
Awards	Hero of Socialist Labour (1956, 1961, 1971)
Scientific career
Fields	Mathematics
Institutions	Steklov Institute of Mathematics
Doctoral advisor	Mikhail Lavrentyev
Doctoral students	Sergey Mergelyan
Signature

Mstislav Vsevolodovich Keldysh (Russian: Мстисла́в Все́володович Ке́лдыш; 10 February [O.S. 28 January] 1911 – 24 June 1978) was a Soviet mathematician who worked as an engineer in the Soviet space program.

He was the academician of the Academy of Sciences of the Soviet Union (1946), President of the Academy of Sciences of the Soviet Union (1961–1975), three-time Hero of Socialist Labour (1956, 1961, 1971), and fellow of the Royal Society of Edinburgh (1968). He was one of the key figures behind the Soviet space program. Among scientific circles of the USSR Keldysh was known by the epithet "the Chief Theoretician"^[1] in analogy with epithet "the Chief Designer" used for Sergei Korolev.