Conversation so far:
How did Billie Jean King's tennis career begin?
She made her Grand Slam debut at the 1959 U.S. Championships at age 15.
Where did that 1961 Wimbledon doubles win lead Billie Jean King?
She won the women's doubles title in her first attempt while partnering Karen Hantze.
Who did Billie Jean King beat at the 1962 Wimbledon singles tournament second round?
For the 1962 singles tournament at Wimbledon, King upset Margaret Court, the World No. 1 and top seed, in a second round match by attacking Court's forehand

Question: What else did you find interesting about her career?
Self-contained rewrite: What else did you find interesting about Billie Jean King's career besides her beginnings, 1961 Wimbeldon doubles win and 1962 Wimbledon victory over Margaret Court?