Hedy Lamarr and George Antheil’s visionary invention fails to make an impact with the US Navy. The actress decides it’s time to quit MGM Studios to explore new avenues as an independent movie producer. She loses a fortune, and divorces her third husband. Then, there’s a twist in Hedy’s invention tale.

What makes someone a “true legend”? Untold Legends gives legendary status to those who deserve it – and tells their story.

Untold Legends is from the BBC World Service, Radio 5 Live and BBC Sounds