National Museum of Nuclear Science & History
D. A. Parker worked for the Edenfield Electric Company.
Douglas Rouse worked for the United States Engineer District Office.
Lester Bennett worked for the Kellex Corporation at the K-25 Plant.
Betz worked at Los Alamos during the Manhattan Project.
Mary Lanahan was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
