National Museum of Nuclear Science & History
P. M. Putnam worked for the J.A. Jones Construction Company.
G. Z. Barton worked for the Poe Piping & Heating Company.
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.
