Steve F. Vavrek

Ralph Johnston

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

C. L. Hinkson

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

E.A. Neff

William S. Johnston

William S. Johnston was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.