National Museum of Nuclear Science & History
Jacob Epting worked as a carpenter in Oak Ridge, TN from November 1942 to October 1943. While Epting assumed he was building a hospital, he was never formally told about the project he was working on.
R. B. Smith worked for the Union Carbide & Carbon Corporation.
Frances Nolan was a staff worker at Los Alamos during the Manhattan Project.
Libby worked in the 200 W Area at Hanford during the Manhattan Project.