F. H. Trapnell

Spencer H. Bush

​Spencer Harrison Bush was born on April 4, 1920 in Flint, Michigan. He devoted over 50 years to ensuring nuclear safety and working on the development of nuclear power codes and standards.

M. J. Barnett

Barnett worked in the United States Engineer District.

William A. Hichler

William A. Hichler was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

C. Ellis Johnson