First of all let me say that I only know what people have told me about this, so I could be wrong on various points.
Robert T Morris, mythical creator of the great Internet worm, has a father called Robert Morris who had a top job in america's NSA. Some people may think that it was Robert Morris Sr that wrote the IPspoof paper, but as far as I can tell from mail that people have sent me, they are wrong.
As far as I can tell the same person wrote both the worm and the IPspoof paper
I apologise for any misinformation I have given out in the past on this subject.