National Museum of Nuclear Science & History
Mumford worked in the 200 East Area at Hanford during the Manhattan Project.
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.
W. L. Luttrell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
James Downey was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
