National Museum of Nuclear Science & History
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
B. R. Hauk worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Herman Snyder worked on the Manhattan Project at Oak Ridge as a soldier in the Special Engineer Detachment.
Ralph Bane was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.