Leland F. Pettengill

H. Dunkelberger

H. Dunkelberger worked for the Roane-Anderson Company.

J. E. McGovern

C. H. Simpson

C. H. Simpson worked for Clinton Laboratories at the X-10 Reactor.

R. E. Hoffman

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