Earl R. Nunnemaker

Ruth Hoffberg

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

E. W. McConnell

E. W. McConnell worked for the Tennessee Eastman Corporation at the Y-12 Plant.

D.A. Ray

R. D. Arthur

R. D. Arthur worked for Clinton Laboratories at the X-10 Reactor.