National Museum of Nuclear Science & History
R. H. Snyder worked for the Fercleve Corporation.
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.
V. E. Howard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Crawford was a physicist and research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.