John William Money (8 July 1921 – 7 July 2006) was a psychologist, sexologist and author, specializing in research into sexual identity and biology of gender. He has been the subject of controversy due to his work with the sex-reassignment of David Reimer.

John William Money (8 July 1921 – 7 July 2006) was a psychologist, sexologist and author, specializing in research into sexual identity and biology of gender. He has been the subject of controversy due to his work with the sex-reassignment of David Reimer.