National Museum of Nuclear Science & History
R. W. Llewellyn worked for the United States Engineer District Office.
Benton worked at the 200 West Area at Hanford during the Manhattan Project.
Stanley Levitt worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Dr. Joseph Katz was a chemist at Argonne National Laboratory at the Metallurgical Lab in Chicago. Katz was a part of a team that studied ways to make the diffusion of U-235 to U-238.
