James H. Murphy

John H. Walker

John Walker served in the army at Los Alamos during the Manhattan Project.

William “Bill” J. Knox

William “Bill” J. Knox was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

George L. Kehl

George Kehl was a metallurgist and professor at Columbia University’s School of Mines. He worked at Los Alamos on the Manhattan Project.

Charles Dennis