National Museum of Nuclear Science & History
Laudenslager worked for Stone and Webster Engineering Corporation.
Robert Helton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
M. R. Nason worked for the Union Carbide & Carbon Corporation.
