National Museum of Nuclear Science & History
E. P. Marguerat worked for the Union Carbide & Carbon Corporation.
Thomas S. Grennan served as a 2nd lieutenant in the 393rd Bombardment Squadron.
A.C. Tregillus was a procurement chief at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Mary T. Burke was a research assistant in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.
