National Museum of Nuclear Science & History
Ira Carpenter worked for the Edenfield Electric Company.
Waldo F. Christy was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harvey L. Piepho served in the First Ordnance Squadron.
Ida Cunningham was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
