National Museum of Nuclear Science & History
Shepard worked at the 200 West Area at Hanford during the Manhattan Project.
Hallie Perry was an electrician at Oak Ridge, Tennessee for the Watson-Flagg Engineering Company from 1943 to 1945.
Frank Holden was a member of the Special Engineering Detachment at Los Alamos.
Hugh Barton was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
