O.W. Johnson

Frank E. Keene

Frank E. Keene was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Keith W. McClellan

E. B. Sterchi

E. B. Sterchi worked for the Roane-Anderson Company.

J. M. Cox

J. M. Cox worked for the Tennessee Eastman Corporation at the Y-12 Plant.