National Museum of Nuclear Science & History
Long worked for Stone and Webster Engineering Corporation.
Truman P. Kohman (1916-2010) was an American chemist. Kohman worked on the Manhattan Project at the University of Chicago Metallurgical Laboratory and at Hanford, where he met his wife, Jane Sievers.
W. B. Hembree worked for the Roane-Anderson Company.
Harold B. Nilling was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.