National Museum of Nuclear Science & History
H. L. Armstrong worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph Getzholtz worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.
F. A. Lehmann worked for the Tennessee Eastman Corporation at the Y-12 Plant.