National Museum of Nuclear Science & History
John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Celia Szapka Klemski was working as a secretary for the State Department in Washington, DC when she was transferred to Manhattan to work on the Manhattan Project in 1942.
H. B. Mills worked for the United States Engineer District Office.
George R. Fogarty served in the 393rd Bombardment Squadron.
Julia Mangan worked for the A. S. Schulman Electric Company.