National Museum of Nuclear Science & History
Thomas Sommerville worked for the Watson-Flagg Engineering Company.
J. B. Marcum worked for the Union Carbide & Carbon Corporation.
Hilda Uchiyamada was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
George W. Marquardt served as a captain in the 393rd Bombardment Squadron. Although he was regularly assigned to the Up An’ Atom, he flew in the mission to bomb Hiroshima as the aircraft commander of the Necessary Evil.
