National Museum of Nuclear Science & History
Celia Ryan was a staff worker 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.
R. H. Waddle worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Cady worked at Los Alamos during the Manhattan Project.