National Museum of Nuclear Science & History
Stanley Liebert was a machinist in the SAM Laboratory at Columbia University between 1944 and 1945.
Harry Faulkner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Walter R. Julek was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
H. M. Metcalf worked for the Tennessee Eastman Corporation at the Y-12 Plant.