Dean Hamer

Dean Hamer
Born	May 29, 1951 (1951-05-29) (age 73)[citation needed] Montclair, New Jersey, U.S.[citation needed]
Alma mater	Harvard Medical School
Known for	Xq28, God gene, Out in the Silence
Scientific career
Fields	Genetics, documentary film
Institutions	National Institutes of Health, Sundance Institute

Dean Hamer (/ˈheɪmər/; born May 29, 1951) is an American geneticist, author, and filmmaker. He is known for his research on the role of genetics in sexual orientation and for a series of popular books and films that have changed scientific and public understandings and perceptions of human sexuality and gender.