Okay, Sparky, here ya go...
For the Lewis involvement in studies using nuclear propulsion for manned Mars flight, the contracts Goldin worked under, see
http://members.aol.com/dsportree/ex61aa.htm
For part of the end result, see
http://members.aol.com/dsfportree/ex63c.htm
The articles in the BIS were by Fred Ordway, and they were titled the Empire Class something...
Hold on, I'll see if I can find an exact citation somewhere on the net...
EP
