Homer M. O’Callaghan

Duillio DiCostanzo

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

J. H. Seivers

J. H. Seivers worked for the Tennessee Eastman Corporation at the Y-12 Plant.

W.B. Nesbitt

G. T. E. Sheldon