National Museum of Nuclear Science & History
George Feldman worked for the Roane-Anderson Company.
Fain worked in the United States Engineer District Office.
A. K. Ericson worked at the 100-F Area at Hanford during the Manhattan Project.
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.
Robert C. Hirt was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.