John M. Naugle

D. I. Graham

C. E. Adcock

C. E. Adcock worked for Clinton Laboratories at the X-10 Reactor.

Alvin Zelver

Al Zelver is an author and former Army intelligence officer who observed the wreckage of Hiroshima after the bombing and spent a year in Japan after the surrender.

W. P. Cowan

Cowan worked at the 100-B Area at Hanford during the Manhattan Project.