Mark Nathan Cohen is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 anthropologist and a professor in the State University of New York

State University of New York

The State University of New York, abbreviated SUNY , is a system of public institutions of higher education in New York, United States. It is the largest comprehensive system of universities, colleges, and community colleges in the United States, with a total enrollment of 465,000 students, plus...

. He has an A.B. degree from Harvard College

Harvard College

Harvard College, in Cambridge, Massachusetts, is one of two schools within Harvard University granting undergraduate degrees...

 (1965) and a Ph.D. degree in anthropology (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...

, 1971). His areas of research and teaching include human evolution and demographic history, cultural evolution, biology, medical care and forensic anthropology. He has written several books in the field of population growth and life expectancy.