National Museum of Nuclear Science & History
Clarence H. Mathews was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Donoghue worked in the United States Engineer District Office.
E. H. Grey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
L. D. Martin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
