Raymond Smullyan

Raymond Merrill Smullyan (; May 25, 1919 – February 6, 2017) was an American mathematician, concert pianist, logician, Taoist philosopher, and magician.
Smullyan was born in Far Rockaway, New York. His first career was stage magic. He then earned a BSc from the University of Chicago in 1955 and his Ph.D. from Princeton University in 1959. He was one of many logicians to have studied under Alonzo Church.
Smullyan died on February 6, 2017 in Hudson, New York at the age of 97.