Richard A. Vaughn

Walter Groeger

Walter Groeger worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

George W. Campbell

George W. Campbell was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

E. B. Wallace

E. B. Wallace worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Edward H. Redman