National Museum of Nuclear Science & History
Raymond Dujack was a young lab technician at the Special Alloyed Materials (SAM) Laboratories at Columbia University.
Annie Powell 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.