Just to trace lineage.
Playing CHESS at 10.
Playing FEUDAL (http://www.boardgamegeek.com/boardgame/847/feudal) at 12.
Playing and modifying the rules to CHOPPER STRIKE (http://www.boardgamegeek.com/boardgame/2446/chopper-strike) when I was 13.
Playing STARSHIP TROOPERS (http://www.boardgamegeek.com/boardgame/670/starship-troopers) at 14
(I was notorious for blending parts of different boardgames together and writing new rules-not popular with the purists :)
Started with rpgs at 17-Dungeons & Dragons.
Continued with wargames:
The Arab-Israeli Wars 1956-'73 (http://www.boardgamegeek.com/boardgame/3218/the-arab-israeli-wars)
The East is Red: The Sino Soviet War (http://www.boardgamegeek.com/boardgame/10472/the-east-is-red-the-sino-soviet-war)
Got into the business and bought more than I can possibly remember. Remember loving Chaosium's RINGWORLD and Game Designers' Workshop TWILIGHT 2000.