Ivan Ivanovich Schmalhausen was a Russian and Soviet zoologist and evolutionary biologist of German descent. He developed the theory of stabilizing selection, and took part in the development of the modern evolutionary synthesis.
- Occupation
- zoologist, botanist, biologist
- Citizenship
- Russian Empire, Russian Republic, Russian Socialist Federative Soviet Republic, Soviet Union
- Born
- April 11, 1884
- Died
- October 7, 1963
