O.J. Schweiger

C. Varuzzo

C. Varuzzo worked for the United States Engineer District Office.

Ruth Hoffberg

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

C. P. Johnson

C. P. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Cyril D. Hetherington