B. L. Alder

G. E. Freeman

G. E. Freeman worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Leo F. Hengstenberg

Charles Lindsay

Charles Lindsay worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Duillio DiCostanzo

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