National Museum of Nuclear Science & History
G. E. Boyd worked for Clinton Laboratories at the X-10 Reactor.
Robert Stone was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.
H. D. Collins worked for the Tennessee Eastman Corporation at the Y-12 Plant.