When Sarah Breedlove begins to lose her hair, she starts a business that will make her one of the wealthiest African American Women of her time.

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 production.

Producer: Elaina Boateng Written and presented by Alex von Tunzelmann Executive Producer: Paul Smith Commissioning editor for Radio 4: Rhian Roberts