Sam Tarson

Norma K. Hipple

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

W. W. Hering

W. W. Hering worked for the United States Engineer District Office.

Philip A. Cullins

Arthur “Pete” V. Peterson

Colonel Arthur “Pete” V. Peterson was the Army’s area engineer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.