National Museum of Nuclear Science & History
Smith worked at the 200 Area at Hanford during the Manhattan Project.
Bert Weisser worked at Los Alamos 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.
James H. Payne served in the 1st Ordnance Squadron.