E. S. Gosney, American philanthropist and eugenicist, founded the Human Betterment Foundation (d. 1942)

Ezra Seymour Gosney (November 6, 1855 – September 14, 1942) was an American philanthropist and eugenicist. In 1928 he founded the Human Betterment Foundation (HBF) in Pasadena, California, with the stated aim "to foster and aid constructive and educational forces for the protection and betterment of the human family in body, mind, character, and citizenship," primarily through the advocacy of compulsory sterilization of the mentally ill and mentally retarded.