The link in the paper's headers is still live: http://naggum.no/lugm-time.html
The home page refers to his ill health: http://naggum.no/
And he in fact died in 2009 at 44: https://en.wikipedia.org/wiki/Erik_Naggum
Interesting guy, involved in specifying the Internet from link level to mid-email level, worked on Emacs, and among the first Usenet users to be known for flaming. I vaguely remember the name in that context.
On balance, a contributor.