National Museum of Nuclear Science & History
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.
C. A. Yoakum worked for the United States Engineer District Office.
B. K. Coghlan, Jr. worked for the Kellex Corporation at the K-25 Plant.