Billie Jean King made her professional tennis debut ... The problem was, the “tour” wasn’t really a thing yet. King signed with the first dual-gender pro circuit, the National Tennis League.

The latest TennisWorthy podcast from the International Tennis Hall of Fame features rare audio from Gladys Heldman and new ...

Along came Billie Jean, just at the moment when a lot of the ... She was the lightning rod in starting a professional women's tour. She started a women's sports magazine and a women's sports ...

Billie Jean King won six Wimbledon singles championships ... She was the lightning rod in starting a professional women's tour. She started a women's sports magazine and a women's sports foundation.