Lev Berg

Lev Berg
Born	Lev Semyonovich Berg 14 March 1876 Bender, Bessarabia, Russian Empire
Died	24 December 1950 (1950-12-25) (aged 74) Leningrad, Russian SFSR, Soviet Union
Scientific career
Fields	Geographer and biologist

Lev Semyonovich Berg, also known as Leo S. Berg (Russian: Лев Семёнович Берг; 14 March 1876 – 24 December 1950) was a leading Russian geographer, biologist and ichthyologist who served as President of the Soviet Geographical Society between 1940 and 1950.

He is known for his own evolutionary theory, nomogenesis (a form of orthogenesis incorporating mutationism) as opposed to the theories of Darwin and Lamarck.