Raymond Smullyan, a retired distinguished professor of philosophy, has authored over twenty books. He has had a remarkably diverse sequence of careers-as a pianist, magician, mathematical logician, philosopher, and essayist. His widely known writings are on such varied topics as mathematical logic, retrograde chess analysis, stereo photography, Chinese philosophy, psychology, and religion. He currently resides with his musician wife Blanche in the Catskill Mountains of upper New York State.