John C. Pringle

Ann Mazur

Ann Mazur worked for the United States Engineer District Office.

Cardea Hubbard

Cardea Hubbard was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

C. E. David

C. E. David worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Mona Thorpe