National Museum of Nuclear Science & History
Graham worked in the United States Engineer District Office.
Robert Wilson served in the 393rd Bombardment Squadron.
J. C. Blackwood worked for the Fercleve Corporation.
Ruth Hillard was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
G. E. Freeman worked for the Tennessee Eastman Corporation at the Y-12 Plant.