National Museum of Nuclear Science & History
J. B. Kaiser worked for the Midwest Piping and Supply Company.
Henry Barwick worked as a plumber, pipefitter, and steamfitter during the building of the Y-12 plant at Oak Ridge.
R. Lopard worked for the Roane-Anderson Company.
Jesse Kupferberg was a Technical Sargeant in the US Army who participated in Project Alberta, the group tasked with transporting and assembling the two atomic bombs in 1945.