National Museum of Nuclear Science & History
Del Genio worked in the United States Engineer District Office.
James S. Armstrong served in the 1027th Air Material Squadron.
Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
L. E. Combs worked for the Roane-Anderson Company.
Boyer worked for Stone and Webster Engineering Corporation.