National Museum of Nuclear Science & History
M. E. Ridge worked for the United States Engineer District Office.
Asa Swain worked in the shop 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.
Gerow worked in the United States Engineer District.
