National Museum of Nuclear Science & History
E. C. Manners worked for Clinton Laboratories at the X-10 Reactor.
H. J. Ratjen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. R. Olson worked for the J.A. Jones Construction Company.
Dominick Itzi was stationed at Los Alamos with the Provisional Engineer Detachment (PED) from 1944 to 1946.