Otmar Freiherr Von Verschuer

Otmar Freiherr von Verschuer (16 July 1896, Wildeck, Hesse-Nassau – 8 August 1969) was a German human biologist and eugenicist concerned primarily with "racial hygiene" and twin research. He was the director of the Kaiser Wilhelm Institute of Anthropology, Human Heredity, and Eugenics (Kaiser-Wilhelm-Institut für Anthropologie, menschliche Erblehre, und Eugenik; KWIfA) in Berlin and the Institute for Genetic Biology and Racial Hygiene (Institut für Erbbiologie und Rassenhygiene).