Gary Kasparov is a renowned chess grandmaster from Russia, born on April 13, 1963. He became the youngest world chess champion in 1985 at the age of 22 and held the title until 1993. Kasparov is known for his deep understanding of the game and his aggressive playing style, which has made him one of the greatest chess players in history. After retiring from professional chess in 2005, Kasparov became an influential political activist and writer. He has been an outspoken critic of the Russian government and has written several books on chess and politics, including his famous work, "How Life Imitates Chess."