National Museum of Nuclear Science & History
Oral Rinehart worked for the Union Carbide & Carbon Corporation.
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.
Block worked in the United States Engineer District Office.
Jack Smith was a staff worker at Los Alamos during the Manhattan Project.
