Hedy Lamarr was a Hollywood film actress of Jewish descent and one of MGM's biggest stars during the "Golden Age" of film. Billed as "the most beautiful woman in the world," Lamarr was more than just a pretty face: she was also the inventor of frequency hopping technology. Though her concept was not used by the military until the 1960's, it was the basis for spread-spectrum technology that is used today for everything from Bluetooth and Wi-Fi to satellites and wireless phones.
Learn more about Hedy Lamarr in: Hedy Lamarr - Golden Age Film Actress and Inventor of Frequency Hopping Technology.
Image credit: Getty Images/Popperfoto
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