Alexander Friedmann

This article is about the Russian cosmologist. For the Russian astrophysicist, see Alexei Fridman. For the Polish Orthodox Jewish rabbi, see Alexander Zusia Friedman.
In this name that follows East Slavic naming customs, the patronymic is Alexandrovich and the family name is Friedmann.

Alexander Friedmann
Александр Фридман
Born
Alexander Alexandrovich Friedmann

(1888-06-16)16 June 1888
Saint Petersburg, Russia
Died16 September 1925(1925-09-16) (aged 37)
Leningrad, Soviet Union
Alma materSt. Petersburg State University
Known for
SpouseNatalia Malinina
Scientific career
FieldsMathematics and physics
InstitutionsPetrograd Polytechnical Institute
Main Geophysical Observatory
Doctoral advisorVladimir Steklov
Doctoral students
Signature

Alexander Alexandrovich Friedmann (also spelled Friedman or Fridman; /ˈfriːdmən/; Russian: Алекса́ндр Алекса́ндрович Фри́дман; 16 June [O.S. 4 June] 1888 – 16 September 1925) was a Russian and Soviet physicist and mathematician. He originated the pioneering theory that the universe is expanding, governed by a set of equations he developed known as the Friedmann equations.

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