The LA Times has reported that Forrest J Ackerman, probably the greatest Science Fiction fan of all time, has died.
http://www.latimes.com/news/obituaries/la-me-ackerman6-2008dec06,0,7179199.story
http://latimesblogs.latimes.com/thedailymirror/2008/12/voices----forre.html
http://io9.com/5103127/rip-forrest-j-ackerman
He probably did as much as anyone to promote Science Fiction. He will be missed.