H. Torrey Walker Jr.

N. D. Barker

N. D. Barker worked for the Tennessee Eastman Corporation at the Y-12 Plant.

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.

Clarice Davis

Clarice Davis worked for the J.A. Jones Construction Company.

William H. Lawson