National Museum of Nuclear Science & History
H.A. Fettinger was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John J. Kroes served in the 1st Ordnance Squadron.
H. W. Ross worked for the Tennessee Eastman Corporation at the Y-12 Plant.
F. A. Lehmann worked for the Tennessee Eastman Corporation at the Y-12 Plant.