Roy D. Kuhner

Daniel P. Land

E. J. Bloch

Bloch worked in the United States Engineer District Office.

Rosie M. Hunter

Rosie M. Hunter was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Alexander D. Scott

Alexander Scott was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.