National Museum of Nuclear Science & History
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
M. F. Quinn worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph King worked for the United States Engineer District Office.
Jacob Y. Bontekoe served as 2nd lieutenant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
August Anton worked as a civilian plumber on the Manhattan Project in Oak Ridge, Tennessee.