A.C. Heckenlaible

Mark S. Fred

Mark Fred was a research assistant in the chemistry division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Charles F. Knesel

C. L. Hinkson

Hinkson worked at the 300 Area at Hanford during the Manhattan Project.

C. A. Babcock

C. A. Babcock worked for the Union Carbide & Carbon Corporation.