National Museum of Nuclear Science & History
G. R. McLeod worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. R. Chapman worked for the H. K. Ferguson Company.
Dr. Alexander Langsdorf (1912-1996) was an American physicist who worked under Enrico Fermi at the University of Chicago.
Harold B. Nilling was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Rouse worked at the 100-D Reactor at Hanford during the Manhattan Project.