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.
Gonzalo Williams was a staff worker at Los Alamos during the Manhattan Project.
Curt J. Havekotte served in the 1st Ordnance Squadron.
B. C. Nylen worked for Clinton Laboratories at the X-10 Reactor.