National Museum of Nuclear Science & History
John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Marilyn Hanna was trained as a clerk typist, and worked for the Manhattan Project in Oak Ridge and later for the Security and Patent divisions in Washington, DC.
Warren Watrous worked for the United States Engineer District Office.
Margaret Swank served in the Women’s Army Corps at Los Alamos during the Manhattan Project.