National Museum of Nuclear Science & History
Helen D. Thomson was in the Army Group at the Metallurgical Laboratory in Chicago during the Manhattan Project.
W. H. Zimmer worked for the United States Engineer District Office.
James S. Duva served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the navigator on the B-29 Jabit III on the Hiroshima mission.
Babcock worked in the United States Engineer District.