William P. Hofmann

Helene M. Smith

Helene Smith was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.

H. R. Crosby

Dana Head

Dana Head worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Philip Cooperman

Philip Cooperman was a member of the Special Engineer Detachment on the Manhattan Project from 1944-1946.