William Masters

Also the birth name of musician Gordon Stretton.

William Howell Masters (December 27, 1915 – February 16, 2001) was an American gynecologist, best known as the senior member of the Masters and Johnson sexuality research team. Along with his wife Virginia E. Johnson, he pioneered research into the nature of human sexual response and the diagnosis and treatment of sexual dysfunctions and disorders from 1957 until the 1990s.