National Museum of Nuclear Science & History
Lawrence L. Back served in the 393rd Bombardment Squadron.
Ida Wallace was a laboratory assistant in the chemistry division at the Chicago Met Lab during the Manhattan Project.
Smoot worked at the 200 West Area at Hanford during the Manhattan Project.
Robert Harrison was an engineer in the Special Engineering Detachment (SED) in Oak Ridge, Tennessee from August 1944 to August 1945.