UNDERWOOD DUDLEY

• Born: January 6, 1937
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Underwood Dudley is a mathematician, formerly of DePauw University, who has written a number of research works and textbooks but is best known for his popular writing. Most notable are several books describing crank mathematics by people who think they have squared the circle or done other impossible things. These books, which alternate between appreciation and exasperation, include The Trisectors (MAA 1996, ISBN 0-88385-514-3), Mathematical Cranks (MAA 1992, ISBN 0-88385-507-0), and Numerology: Or, What Pythagoras Wrought (MAA 1997, ISBN 0-88385-524-0). They helped him win the Trevor Evans Award for expository writing from the Mathematical Association of America (MAA) in 1996.