Chester G. Pirkle

C. T. Edwards

Louis H. Hempelmann

Louis Henry Hempelmann (1914-1993) was Director of the Health Group at the Los Alamos site of the Manhattan Project.

Norris W. Embrey

Norris W. Embrey was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

J. C. Blackwood

J. C. Blackwood worked for the Fercleve Corporation.