National Museum of Nuclear Science & History
Manning worked for Stone and Webster Engineering Corporation.
John Ruhoff worked for the United States Engineer District Office.
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.
N. Davis worked at the 200 West Area at Hanford during the Manhattan Project.
Stanley Powers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
