National Museum of Nuclear Science & History
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.
Harriet Peterson was a nurse at Los Alamos during the Manhattan Project.
Thomas Little was a millwright for the civilian contractor Tennessee Eastman Company from 1944 to 1946.
R. N. Babcock worked for the Roane-Anderson Company.