National Museum of Nuclear Science & History
W. A. Plumb worked for the United States Engineer District Office.
Leroy Jackson was transferred into the Manhattan District, the branch of the United States Army Corps of Engineers tasked with overseeing the construction of critical Manhattan Project sites, shortly after its formation in 1942.
Harry Kamack graduated from Georgia Tech with a degree in chemical engineering, and then went to work for the DuPont Company in late 1942.
