A nineteen-year-old American woman sets out on an extraordinary feat of endurance. Will Gertrude Ederle become the first woman to swim the English Channel?

Stories of bold voices, with brave ideas and the courage to stand alone. Historian Alex von Tunzelmann shines a light on remarkable people from across history.

A BBC Studios Audio production.

Producer: Lorna Reader Series producer: Suniti Somaiya Written and presented by Alex von Tunzelmann Executive Producer: Paul Smith Commissioning editor for Radio 4: Rhian Roberts