[2] Colt graduated in 1954 and then served two years in the United States Army.

He later founded his own firm, Goodhue, Colt & Steffensen, where he practiced probate and estate law.

[3] His final legal work came with the firm of Taylor, Ganson and Perrin in Boston, where he was of counsel.

Colt also served as a trustee of the Gardner Howland Shaw Foundation, an organization dedicated to the improvement of the Massachusetts penal system.

He was a member of the Hamilton-Wenham Open Space and Housing Committee from 1987 to 1989 and the Wenham Board of Selectmen from 1990 to 1995.

[3] Colt died on June 5, 2008, at Kaplan Family Hospice House in Danvers, Massachusetts, of cancer.