Samuel L. Greitzer was an American mathematician

Mathematician

A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....

, the founding chairman of the United States of America Mathematical Olympiad

United States of America Mathematical Olympiad

The United States of America Mathematical Olympiad is a high school mathematics competition held annually in the United States. Since its debut in 1972, it has served as the final round of the AMC series of contests...

, and the publisher of the precollege mathematics journal Arbelos. He also wrote the textbook

Textbook

A textbook or coursebook is a manual of instruction in any branch of study. Textbooks are produced according to the demands of educational institutions...

 Geometry Revisited together with H. S. M. Coxeter in 1967.

Biography

Born in Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

, Greitzer moved to the United States in 1906, received his bachelor's degree in 1927 from City College of New York

City College of New York

The City College of the City University of New York is a senior college of the City University of New York , in New York City. It is also the oldest of the City University's twenty-three institutions of higher learning...

, and later earned a Ph.D. from Yeshiva University

Yeshiva University

Yeshiva University is a private university in New York City, with six campuses in New York and one in Israel. Founded in 1886, it is a research university ranked as 45th in the US among national universities by U.S. News & World Report in 2012...

. He held academic positions at Yeshiva University

Yeshiva University

Yeshiva University is a private university in New York City, with six campuses in New York and one in Israel. Founded in 1886, it is a research university ranked as 45th in the US among national universities by U.S. News & World Report in 2012...

, the Brooklyn Polytechnic Institute, Columbia University

Columbia University

Columbia University in the City of New York is a private, Ivy League university in Manhattan, New York City. Columbia is the oldest institution of higher learning in the state of New York, the fifth oldest in the United States, and one of the country's nine Colonial Colleges founded before the...

, and Rutgers University

Rutgers University

Rutgers, The State University of New Jersey , is the largest institution for higher education in New Jersey, United States. It was originally chartered as Queen's College in 1766. It is the eighth-oldest college in the United States and one of the nine Colonial colleges founded before the American...

. He died on February 22, 1988 in Metuchen, New Jersey

Metuchen, New Jersey

Metuchen is a Borough in Middlesex County, New Jersey, United States, which is 8 miles northeast of New Brunswick, 18 miles southwest of Newark, 24 miles southwest of Jersey City, and 29 miles southwest of Manhattan, all part of the New York metropolitan area...

.