Jerome J. Ossip

Opal MacDonald

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

Charles Dietrich

Edgar Knauth

Edgar Knauth served in the 393rd Bombardment Squadron. 

Mary E. Karraker

Mary Karraker worked for the Tennessee Eastman Corporation at the Y-12 Plant.