National Museum of Nuclear Science & History
T. H. Lackey worked for the Edenfield Electric Company.
Betty Murray was a technician in the Solvent-Extraction Group at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Leo James Rainwater was an American physicist and winner of the 1975 Nobel Prize in Physics. As a graduate student at Columbia University, Rainwater assisted the Manhattan Project through research in the Substitute Alloy Materials (SAM) Lab.
Alexander Scott was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.