National Museum of Nuclear Science & History
O. W. Danner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Roy V. Henderson was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) 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.