Mary O’Herron

E.J. Galbraith

Galbraith worked at the 300 Area at Hanford during the Manhattan Project.

George E. Bewley

E. H. Gray

E. H. Gray worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Opal MacDonald

Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.