John Cunningham Lilly (January 6, 1915 – September 30, 2001) was an American physician, neuroscientist, psychoanalyst, psychonaut, philosopher, writer and inventor. He was a member of a generation of counterculture scientists and thinkers that included Timothy Leary, Ram Dass, and Werner Erhard, all frequent visitors to the Lilly home. He often stirred controversy, especially among mainstream scientists. Lilly's Maxim John C. Lilly, Programming and Metaprogramming in the Human Biocomputer