Tom Lehrer was one of comedy's great paradoxes -- a respected Harvard mathematics professor by day, he also ranked among the foremost song satirists of the postwar era, recording vicious, twisted parodies of popular musical trends which proved highly influential on the "sick comedy" revolution of the '60s. Despite an aversion to the press and a relatively small recorded output, Lehrer became a star, although he remained an enigma to even his most ardent fans; he rarely toured, never allowed his photo to adorn album jackets, and essentially retired from performing in 1965, leav...