Richard S. Guenther

J. H. Rhodes

J. H. Rhodes worked for the J.A. Jones Construction Company.

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.

Kenneth L. Johnson

Earl N. Moore