National Museum of Nuclear Science & History
Helen Nemeth was a staff worker at Los Alamos during the Manhattan Project.
Jack Hefner joined the Manhattan Project at Oak Ridge in 1943. Hefner was a reactor engineer and helped supervise the construction of the X-10 Graphite Reactor.
H. L. Gleason worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Kenneth J. Cooper served in the 1st Ordnance Squadron.
