John L. O’Gara

James F. Schumar

James F. Schumar was a metallurgist. In 1940, he became Chief Metallurgist at Wolverine Tube Company.

Joseph Hans

Joseph Hans worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Elbert Fields

C. J. Toney

C. J. Toney worked for the Tennessee Eastman Corporation at the Y-12 Plant.