National Museum of Nuclear Science & History
Henry Barwick worked as a plumber, pipefitter, and steamfitter during the building of the Y-12 plant at Oak Ridge.
R. H. Snyder worked for the Fercleve Corporation.
Eugene L. Nooker worked as a part of Project Alberta, the team that transported and assembled the two atomic bombs preceeding the August 1945 bombing missions on Hiroshima and Nagasaki.
Sineath Jr. worked at the 200 East Area at Hanford during the Manhattan Project.