Billie Jean King, (b. 1943) Regarded by many as one of the greatest tennis players of all time and a Presidential Medal of Freedom recipient for her advocacy for women in sports and LGBTQ+ rights, Billie Jean King won 39 Grand Slam titles in her tennis career and led the fight for equal pay in tennis. Known for beating Bobby Riggs in 1973’s “Battle of the Sexes,” at age 29. She pushed relentlessly for the rights of women players and helped establish the Women’s Tennis Association, and the Women's Sports Foundation.

Billie Jean King was born Billie Jean Moffitt on November 22, 1943 in Long Beach, California. Her father, Bill, was a fire fighter and her mother, Betty, was a homemaker. An athlete from a young age, King played basketball and softball as a child. In her career she won 39 major titles, competing in both singles and doubles. King was a member of the victorious United States team in seven Federation Cups and nine Wightman Cups. For three years, she was the U.S. captain in the Federation Cup.

King and her husband, Larry King (married 1965–87), were part of a group that founded World Team Tennis (WTT) in 1974. She came out as a lesbian in 1981, and after her divorce from Larry King, she publicly embraced her homosexuality and became an advocate for gay rights.

King retired from competitive tennis in 1984 and the same year became the first woman commissioner in professional sports in her position with the World Team Tennis League. She was inducted into the International Tennis Hall of Fame in 1987. The Fed Cup Award of Excellence was bestowed on her in 2010. In 1972, she was the joint winner, with John Wooden, of the Sports Illustrated Sportsman of the Year award and was one of the Time Persons of the Year in 1975. She has also received the Presidential Medal of Freedom and the Sunday Times Sportswoman of the Year lifetime achievement award. She was inducted into the National Women's Hall of Fame in 1990.** In 2006, the USTA National Tennis Center in New York City was renamed the USTA Billie Jean King National Tennis Center.** In 2018, she won the BBC Sports Personality of the Year Lifetime Achievement Award. In 2020, the Federation Cup was renamed the Billie Jean King Cup in her honor. In 2022, she was awarded the French Legion of Honor.