Dave Arneson
Dave Arneson (December 1 1955 - April 2009) was the co-author, with Gary Gygax, of the original 1970s role playing game Dungeons & Dragons and an important figure in the history of role playing games. Arneson's Blackmoor, published by Tactical Studies Rules (TSR), was one of the first published role playing game campaign settings and has the distinction of being the longest continuously played fantasy role playing campaign at 25 years and counting.