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.
Philipp Klein was a part-time switchboard operator in the SAM Lab while studying chemical engineering at Columbia University.
Cheney worked in the United States Engineer District Office.
