National Museum of Nuclear Science & History
Petty worked in the 100 B and D Areas at Hanford during the Manhattan Project.
H. W. Oldfield worked for the Roane-Anderson Company.
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.
