Leon Orbeli

Leon Orbeli
Orbeli in 1945
Born	7 July [O.S. 25 June] 1882 Tsaghkadzor, Tiflis Governorate, Russian Empire
Died	9 December 1958(1958-12-09) (aged 76) Leningrad, Russian SFSR, Soviet Union
Resting place	Bogoslovskoe Cemetery, St. Petersburg
Awards	Hero of Socialist Labour

Leon Abgarovich Orbeli (Armenian: Լևոն Աբգարի Օրբելի, romanized: Levon Abgari Orbeli; Russian: Леон Абгарович Орбели, romanized: Levon Abgarovich Orbeli; 7 July [O.S. 25 June] 1882 – 9 December 1958)^[1] was an Armenian physiologist active in the Russian SFSR. He was a member of the Academy of Sciences of the Soviet Union and Armenian National Academy of Sciences (the latter was founded by his brother Joseph Orbeli). Leon Orbeli became the director of the Institute of Physiology in 1950.

Orbeli played an important part in the development of evolutionary physiology and wrote more than 200 works on experimental and theoretical science, 130 of them journal articles.