Hallye M. Lawrence

J. H. Monk

Fred D. Smith

Fred Smith worked for the Tennessee Eastman Corporation at the Y-12 Plant.

G. E. Simpson

Melvin A. Miller

Melvin A. Miller was a draftsman at the University of Chicago Met Lab. In 1946, he sketched two famous drawings of Chicago Pile-1 based on the descriptions of scientists who were present when it went critical.