Smullyan, Raymond (1919–)
American mathematical logician, puzzle-maker, and magician, who has taught in various colleges but is best known for his books on recreational mathematics. Among these are What is the name of this book?, The Lady or the Tiger, The Tao is Silent, and This Book Needs No Title: A Budget of Living Paradoxes. Smullyan is an inventive maker of logic paradoxes and a pioneer of chess problems that involve "retrograde analysis," in which the object is to deduce the past history of a game from some given present position.
Related category• MATHEMATICIANS
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