Frederick S. Dellenbaugh, III

Jas H. Rogers

Werner H. Haak

Werner H. Haak was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Philip Grant Koontz

Philip G. Koontz was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

John G. Povelites