National Museum of Nuclear Science & History
James Barton worked as a carpenter for the DuPont Company at the Hanford, Washington site. He never knew he was working on the atomic bomb until after it was dropped in Japan.
Davidson worked for Stone and Webster Engineering Corporation.
J. B. Rice worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. W. Shivers worked for the United States Engineer District Office.