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Hedy Lamarr's Double Life

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Hedy Lamarr's Double Life: Hollywood Legend and Brilliant Inventor is about Hedy, a glamourous 1930s movie star, and developer of a ground-breaking communication system that still remains essential to today's technology.

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During WWII, Hedy Lamarr collaborated with another inventor on an innovative technology called frequency hopping. It was made to prevent the enemy from jamming torpedo signals and making weapons go off course. This technology is still used today to keep our mobile phone messages private and defend our computers from hackers. 


  • Book size: 225 x 280 x 10mm
  • 48 pages
  • Written by: Laurie Wallmark
  • Illustrated by: Katy Wu
  • Format: Hardcover
  • ISBN 9781454926917
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