National Museum of Nuclear Science & History
J. R. Maddy worked for the United States Engineer District Office.
Clyde R. Emery worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Sherman D. Kaplan was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lawrence Roth worked for the United States Engineer District Office.
