National Museum of Nuclear Science & History
Timmerman worked at the 300 Area at Hanford during the Manhattan Project.
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.
Turpeinen worked at the 200 East Area at Hanford during the Manhattan Project.
