title: Benjamin Harrison Willier. November 2, 1890-December 3, 1972.
mesh_terms: D000818:Animals; D004626:Embryology / Q000266:history; D008040:Genetic Linkage; D005823:Genetics / Q000266:history; D006066:Gonads / Q000196:embryology; D049673:History, 20th Century; D006801:Humans; D008297:Male; D011200:Poultry; D012733:Sex Differentiation