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Raymond M. Smullyan
Raymond Merrill Smullyan was an American mathematician, magician, concert pianist, logician, Taoist, and philosopher. Born in Far Rockaway, New York, his first career was stage magic. He earned a BSc from the University of Chicago in 1955 and his Ph.D. from Princeton University in 1959. He is one of many logicians to have studied with Alonzo Church. Source: [Ramon Smullyan](https://en.wikipedia.org/wiki/Raymond_Smullyan) on Wikipedia.