Ray Blanchard

Ray Milton Blanchard (/ˈblænərd/ BLAN-chərd; born October 9, 1945) is an American-Canadian sexologist who researches pedophilia, sexual orientation and gender identity. He has found that men with more older brothers are more likely to be gay than men with fewer older brothers, a phenomenon he attributes to the reaction of the mother's immune system to male fetuses. Blanchard has also published research studies on phallometry and several paraphilias, including autoerotic asphyxia. Blanchard also proposed a typology of transsexualism.

Ray Blanchard
Blanchard in 2008
Born
Ray Milton Blanchard

(1945-10-09) October 9, 1945
Citizenship
  • United States
  • Canada
Alma mater
Known for
Scientific career
Fields
Institutions
Academic advisorsKurt Freund
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