National Museum of Nuclear Science & History
Leslie Nemeth was a staff worker at Los Alamos during the Manhattan Project.
June H. Roberts was a research assistant in the Instruments Division 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.
Joseph G. Shaller served in the 393rd Bombardment Squadron.