Dean, who worked as an electronic engineer for Bell Laboratories, served in the Navy from 1953 to 1957.
He was born to Earl Dean and the former Alice Gregory on May 8, 1934 in Torrington, Conn. He graduated from Gilbert High School in Winsted, Conn. He also attended the University of Hartford.
He is survived by his wife, the former Shirley Welcome, and three children, David Dean, of High Bridge, NJ, Nancy Bunce, of East Hampton, and Brian Dean, of East Hampton. Six grandchildren and nine nieces and nephews also survive.