National Museum of Nuclear Science & History
S. A. Wrightman 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.
John Wilkes worked for the Roane-Anderson Company.
