 While meeting at Gygax's house, Dave Arneson ran the Lake Geneva gamers through their first session of "Blackmoor".Rob Kuntz describes Dave Arneson as the referee, and the Lake Geneva players as being Gary Gygax, Ernie Gygax, Terry Kuntz, and himself.Kuntz describes Dave Megarry as the de facto leader of the group, as he understood the "Blackmoor" game and campaign world.