John William Money (8 July 1921 – 7 July, 2006) was a psychologist and sexologist well known for his research into sexual identity and biology of gender. Money identified several influential concepts and terms during his career, including gender identity, gender role, gender-identity/role, and lovemap. Money was a professor of pediatrics and medical psychology at Johns Hopkins University from 1951 until his death. While there, Money was involved with the Sexual Behaviors Unit, which ran studies on sex reassignment surgery. He received the Magnus Hirschfeld Medal in 2002 from the "German Society for Social-Scientific Sexuality Research", for which he worked.