Who is the game designer born in 1950 who is best known for his work on materials for the "Dungeons & Drangon fantasy role-playing game?
Dungeons &amp; Dragons Immortals Rules Dungeons & Dragons Immortals Rules, written by Frank Mentzer, is a boxed set for the "Dungeons & Dragons" ("D&D") fantasy role-playing game first published by TSR in 1986 as an expansion to the "Basic Set".
Jon Pickens Jon Pickens is an American game designer and editor who has worked on numerous products for the "Dungeons & Dragons" fantasy role-playing game from TSR and later Wizards of the Coast.