Samuel L. Greitzer (August 10, 1905 – February 22, 1988) was an American mathematician, the founding chairman of the United States of America Mathematical Olympiad, and the publisher of the precollege mathematics journal Arbelos.[1] Together with H.S.M. Coxeter in 1967, Greitzer coauthored the well-received textbook Geometry Revisited, which has remained in print for more than 40 years.[2]
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