Harold F. Doucette, a retired MIT Lincoln Laboratory employee, died Jan. 13. He was 74.
Doucette was in charge of the lab's chilled water plant from 1975 until his retirement in 1991. He was in the Air Force for 23 years and served in the Korean War.
He is survived by three sons, Bradley H. Doucette of Wetumpka, Ala., Brian T. Doucette of Port Charlotte, Fla., and Allan F. Doucette of Shirley, Mass.; a brother, Walter Doucette of Cape Cod; a sister, Majorie Shivvers of Wareham, Mass.; and four grandchildren.