National Museum of Nuclear Science & History
Gaffney worked in the United States Engineer District Office.
G. M. Stafford worked for the Kellex Corporation at the K-25 Plant.
John Henry Manley (1907-1990) was an American physicist. Manley worked on the Manhattan Project almost from its beginning, starting at the Metallurgical Lab at the University of Chicago.
Martha G. Johnson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
