This 2017 episode covers Annette Kellerman, who gets a lot of the credit for developing the women's one-piece bathing suit. But she was also a competitive swimmer, as well as a vaudeville and film star who designed her own mermaid costumes.

Annette Kellerman collection at the Museum of Applied Arts & Sciences https://collection.maas.museum/search?q=Annette_Kellerman+Costume