National Museum of Nuclear Science & History
Flonnie Sloan worked in Building 9201 in the Y-12 plant at Oak Ridge, Tennessee from 1943 to 1945.
Robert Harrison was an engineer in the Special Engineering Detachment (SED) in Oak Ridge, Tennessee from August 1944 to August 1945.
Maryella Weaver was a staff worker at Los Alamos during the Manhattan Project.