National Museum of Nuclear Science & History
Max Stansbury worked for the United States Engineer District Office.
J. D. Carr worked for the Roane-Anderson Company.
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
William S. Biggers worked as a chemical engineer during the Manhattan Project. Biggers worked at the the Houdaille-Hershey Plant in Decatur, Illinois from April 1944 to December 1946.