. "Arneson, David L."@en . "1947Z"^^ . "American game designer" . "David Lance Arneson"@en . . . "2009-04-07Z"^^ . "1947-10-01Z"^^ . "2009Z"^^ . "David Lance \"Dave\" Arneson (October 1, 1947 \u2013 April 7, 2009) was an American game designer best known for co-developing the first published role-playing game (RPG), Dungeons & Dragons, with Gary Gygax, in the early 1970s."@en . "Arneson, Dave"@en . . . . "Dave Arneson"@en . . . .