Gene C. Newlin

Francis J. Kratch

Francis Kratch worked for the United States Engineer District Office.

Evelyn Dunbar

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

E. F. Phinney

Mary McCormick

Mary McCormick was a secretary at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.