National Museum of Nuclear Science & History
Clark Royer worked for the United States Engineer District Office.
Katherine Gnjec was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ross H. Johanson served in the 603rd Air Engineering Squadron.
Mildred (Ginsberg) Goldberger was an American mathematician and economist. She was a research assistant and computer at the Metallurgical Laboratory at the University of Chicago during the Manhattan Project.
