National Museum of Nuclear Science & History
J. B. Kaiser worked for the Midwest Piping and Supply 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.
Crowley worked at the 100-D Area at Hanford during the Manhattan Project.
George R. Carlson was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Margaret Strombeck was a swtichboard operator at the Metallurgical Laboratory in Chicago during the Manhattan Project.
