National Museum of Nuclear Science & History
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.
A. E. Bohnard worked for the J.A. Jones Construction Company.
R. O. Irwin worked for the Tennessee Eastman Corporation at the Y-12 Plant.