National Museum of Nuclear Science & History
Charles Mallon worked for the Kellex Corporation at the K-25 Plant.
L. T. Roberts worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John C. Pringle served in the 603rd Air Engineering Squadron.
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.