National Museum of Nuclear Science & History
Leo Safranski was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
H. M. Schenk worked for the United States Engineer District Office.
Rupea worked at the 300 Area at Hanford 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.
