National Museum of Nuclear Science & History
Harper worked for Stone and Webster Engineering Corporation.
Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Leonard Switalski served in the First Ordnance Squadron.
Eugene G. Zukas worked at Oak Ridge and Los Alamos during the Manhattan Project. Zukas received his Bachelor’s degree from the University of Pittsburgh in 1942.
Ann Reser worked for the Tennessee Eastman Corporation at the Y-12 Plant.
