8. Bobby Fischer (IQ: 187)
Robert Bobby Fischer is an American chess grandmaster. At the age of 14, he was the US chess champion and at 1972, he became world champion. With the Cold War as the backdrop, his match with a Soviet grandmaster, Boris Spassky was highly publicized and Garry Kasparov considered him the greatest chess player of all time. He contributed significantly to the world of chess, by bringing celebrity status to him and other chess players.
Fischer retired officially in 1972 and occasionally took the opportunity to visit or play in various chess tournaments. Fischer was also known for his anti-US and anti-Semitic remarks; and became a naturalized Icelandic in 2005.