National Museum of Nuclear Science & History
Joseph H. Laird graduated from Harvard University in 1942 with a bachelor's degree in chemistry. During the war, Laird became a member of the Special Engineer Detachment, where he served as an industrial inspector at Tennessee Eastman Corporation in Oak Ridge.
Harder worked at the 300 Area at Hanford during the Manhattan Project.
Ray Sheehan worked for the United States Engineer District Office.