She was called the most beautiful woman in the world and was seen as an exotic Hollywood star in the 1930s. But Hedy Lamarr was more than that. She was also an inventor.
During WWII she patented a technology to sink German U-boats. It was ignored and shelved, only to be picked up decades later to and be used every day on our phones and computers.
Ruth Barton, Emeritus Professor of Film from Trinity College Dublin, tells Marc Fennell (Stuff the British Stole) about how Hedy Lamarr invented the foundations of wi-fi and why it took decades for it to be a part of her legacy.
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