National Museum of Nuclear Science & History
Bradley Jr. worked at the 200 West 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.
William Cavin was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John H. Williams (1908-1966) was a Canadian-American physicist. Williams transferred to Los Alamos in early 1943 and was among the first group of scientists to arrive on the Hill.