Jarrett R. Clark

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.

Andrew M. Hedrick

Warren H. Burgus

Warren H. Burgus was a research assistant in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.

O.W. Johnson