Billie Jean King
Born: November 22, 1943
Biography: Billie Jean King is an American former professional tennis player. She won 12 Grand Slam singles titles, 16 Grand Slam women's doubles titles, and 11 Grand Slam mixed doubles titles. She is an advocate for sexual equality and won The Battle of the Sexes tennis competition in 1973. She completed a career tour all surfaces win-loss performance of 81.76%.