National Museum of Nuclear Science & History
Charles Kozlowski served in the 393rd Bombardment Squadron.
Carl Switzer served in the First Ordnance Squadron.
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.
J. L. Flagg worked for the Watson-Flagg Engineering Company.