Constantine Sidamon-Eristoff ’57 LL.B.

December 26, 2011

Spring 2012

Constantine Sidamon-Eristoff ’57 LL.B. was a longtime public servant who gained renown as an impassioned environmentalist in his native New York. He passed away on December 26, 2011, at the age of 81.

A hereditary prince, Sidamon-Eristoff was born in Manhattan to a family of Georgian nobility that fled the invading Bolsheviks in 1921. 

After studying geological engineering at Princeton, Sidamon-Eristoff served as an artilleryman in the Korean War and received the Bronze Star. He enrolled at Columbia Law School upon his return from Korea, and after graduation he served as an executive assistant to John Lindsay, who later became mayor of New York City.

Sidamon-Eristoff held several public service posts during the next four decades. He served as New York City’s highway commissioner and as head of the city’s transportation department. In 1974, he was appointed as a member of the Metropolitan Transportation Authority, and from 1989 to 1993 he served as head of the Environmental Protection Agency’s regional branch covering New York, New Jersey, Puerto Rico, and the U.S. Virgin Islands.

Sidamon-Eristoff, a former chairman of the New York chapter of the National Audubon Society, is survived by his wife, the former Anne Phipps; his children, Andrew, Elizabeth, and Simon Sidamon-Eristoff ’84; and a sister, Anne Sidamon-Eristoff ’57 LL.B.