National Museum of Nuclear Science & History
Rufus Addison worked for the Edenfield Electric Company.
James C. Hobbs was an American inventor and engineer who created a key part of the valves used in the K-25 gaseous diffusion plant in Oak Ridge, TN.
Robert F. Christy (1916-2012) was a Canadian-American theoretical physicist Christy’s doctoral advisor at the University of California, Berkeley was Robert Oppenheimer, but Christy’s initial involvement with the Manhattan Project came at the Metallurgical Lab at the University of Chicago.