E. J. Walko

Frank C. Cook

James Downey

James Downey was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

G. H. Griffith

G. H. Griffith worked for the Tennessee Eastman Corporation at the Y-12 Plant.

O. S. Loud

O. S. Loud worked for the Tennessee Eastman Corporation at the Y-12 Plant.