National Museum of Nuclear Science & History
Campbell worked for Stone and Webster Engineering Corporation.
Evelyne Litz worked in health physics and as a librarian during the Manhattan Project at Los Alamos and the Chicago Met Lab.
Thomas Farrell (1891 – 1967) was a major general in the US Army. Farrell was hand-picked by General Groves to serve as his deputy, or as the Deputy Commanding General of the Manhattan Project.