Robert James "Bobby" Fischer was an American-born chess Grandmaster, and the eleventh World Chess Champion.
Fischer became famous as a teenager as a chess prodigy. In 1972, he became the first, and so far the only, American to win the official World Chess Championship, defeating defending champion Boris Spassky in a match held in Reykjavík, Iceland. The match was widely publicized as a Cold War battle. He is often referred to as one of the greatest chess players of all time.