L. W. Nordheim

Clarence H. Mathews

Clarence H. Mathews was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Richard E. Rose

Earl Smith

Earl Smith worked for the H. K. Ferguson Company.

M. J. O’Hara

M. J. O'Hara worked for the Tennessee Eastman Corporation at the Y-12 Plant.