Edward D. Lepore

Evelyn Dunbar

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

Frank S. Strach

C. T. Vettel

C. T. Vettel worked for the United States Engineer District Office.

A. C. Smythe

A. C. Smythe worked for the Tennessee Eastman Corporation at the Y-12 Plant.