National Museum of Nuclear Science & History
Phelps worked in the 100 F Area at Hanford during the Manhattan Project.
Edna Sypult was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.