National Museum of Nuclear Science & History
John Marcy worked for the Kellex Corporation at the K-25 Plant.
Litton worked at the 300 Area at Hanford during the Manhattan Project.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. A. Smith worked for the H. K. Ferguson Company.
V. Alexander Nedzel was a research assistant at the University of Chicago Met Lab. After the Manhattan Project, he worked at the Institute for Nuclear Studies and was head of the Aerospace Division at MIT Lincoln Laboratory.
