Abraham P. Loeb

J. Chambers

Helen J. Arson

Helen J. Arson was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Norene Mann

Norene Mann was a secretary at the University of Chicago Met Lab. She worked for Nobel laureate James Franck, but often also acted as a secretary for Leo Szilard.

Clarence S. Kulakowski