National Museum of Nuclear Science & History
L. Mayer worked for the Watson-Flagg Engineering Company.
Minnie M. Daniels was a laboratory technician and assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Thomas P. Hill, III served in the 393rd Bombardment Squadron.
Jean Marley O’Leary began working for General Leslie Groves in June 1941, when she was hired as his personal secretary.