William H. Masters and Virginia E. Johnson, (respectively, born Dec. 27, 1915, Cleveland, Ohio, U.S.—died Feb. 16, 2001, Tucson, Ariz.; born Feb. 11, 1925, Springfield, Mo., U.S.—died July 24, 2013, St. Louis, Mo.), U.S. human-sexuality research team. Together (as physician and psychologist, respectively), they codirected (1973–94) the Masters & Johnson Institute in St. Louis. They observed couples having sex under laboratory conditions, using biochemical equipment to record sexual stimulations and reactions. Their book Human Sexual Response (1966) was considered the first comprehensive study of the physiology and anatomy of human sexual activity (see sexual response). They were married in 1971 and continued to collaborate after they divorced in 1993.
Masters and Johnson Article
William H. Masters and Virginia E. Johnson summary
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