National Museum of Nuclear Science & History
Ruth Rhoades was an associate biologist 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.
Barnes worked in the United States Engineer District Office.
B. J. Mears worked for the United States Engineer District Office.