Surrealist painter, author, filmmaker, lecturer, performance artist, charlatan, genius, clown, Salvador Dal? (1904-1989) once asked himself, "Where does the deep and philosophical Dal? begin, and where does the loony and preposterous Dal? end?" This evenhanded but exacting biography, based on interviews, unpublished letters, and previously unavailable archives, explores the relationship between his eccentric life and the hallucinatory imagery of the...