John O. Barker

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.

D. W. Latimore

D. W. Latimore worked for Clinton Laboratories at the X-10 Reactor.

Ruby M. Palen

Ruby Palen worked for the United States Engineer District Office.

Lester J. Dykes