Raymond Smullyan (1919-2017)

Raymond Smullyan, Oscar R. Ewing Professor Emeritus of Philosophy at Indiana University, Bloomington, and before that professor of math and philosophy at Lehman College (CUNY), died last week. 

Professor Smullyan’s first career was as a magician. As an academic he was known for his work in math and logic. He remained in the public eye by way of logic puzzles, for which he was famous. See, for example, his What Is The Name Of This Book?or this appearance on the Tonight Show with  Johnny Carson:

The New York Times has an obituary here, as well as a sampling of his puzzles.

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