C. P. Hokanson

Charles L. White

Charles White worked for the United States Engineer District Office.

Harry E. Stephon

Harry Stephon was a gruard and sergeant in the U.S. Army at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Robert S. Cole

Robert S. Coles was a research associate at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.

Joseph W. Ranfil