Albert T. Hays

C. A. Billings

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

Dwight Smith Young

Dwight Young (1892-1975) was a professional photographer working at a box factory when he heard about an opening at the University of Chicago’s Metallurgical Laboratory.

W.N. Ragsdill

J. R. Maddy

J. R. Maddy worked for the United States Engineer District Office.