Billie Jean King

Billie Jean King, also known as BJK, is an American former world No. 1 tennis player. Widely regarded as one of the greatest tennis players of all time, King won 39 Grand Slam titles: 12 in singles, 16 in women's doubles, and 11 in mixed doubles. She was a member of the victorious United States team in seven Federation Cups and nine Wightman Cups.