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Glamour. Hollywood. Drama. Although she was known as “the most beautiful woman in the world,” Actress Hedy Lamarr’s greatest life work was far from the silver screen. At the height of her film career, and in the midst of a world war, Hedy invented the basis for all modern wireless communications: signal hopping.

Part of a special series with Smithsonian Magazine highlighting the lives of women inventors to celebrate Women’s History Month. Head over to Smithsonian.com/Wondery to go deeper, or find us on Twitter @InnovationsPod.

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