National Museum of Nuclear Science & History
John P. Hove was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
M. M. MacDonald worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. P. Alexander worked for the Kellex Corporation at the K-25 Plant.
A.C. Tregillus was a procurement chief at the Metallurgical Laboratory in Chicago during the Manhattan Project.