Mack, John E. (1929–2004)
John Mack was professor of psychiatry at Harvard Medical School and author of the controversial book Abduction: Human Encounters With Aliens1 (1992), in which he argued that alleged alien abduction reports refer to authentic encounters with extraterrestrials.
1. Mack, John E. Abduction: Human Encounters With Aliens. New York: Scribner's (1992).