John E. Collins

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.

James V. Donahue

H. L. Armstrong

H. L. Armstrong worked for the Tennessee Eastman Corporation at the Y-12 Plant.

R. E. Hoffman

R. E. Hoffman worked for the Tennessee Eastman Corporation at the Y-12 Plant.