A study of heredity in man, showing how both good and bad characteristics are passed on from one generation to the next.
Julian Huxley
Self - Narrator
Edward Carrick
Self
Edith Craig
John Gielgud
Dan Godfrey
Howard Godfrey
Hazel Terry
J.V. Durden
Director
Mar 13, 2015
Jun 20, 2025
Apr 23, 2017
Dec 13, 2022
Jul 22, 2026
Sep 10, 2022
Jun 8, 2017
Apr 20, 2017
Gaumont-British Instructional
GB
United Kingdom