Hedy Lamarr: Hollywood Star, Secret Inventor

Hedy Lamarr was marketed by 1940s Hollywood as one of the most beautiful women in film — a label that overshadowed one of the more remarkable minds working in the industry at the time.

Away from the studio, Lamarr co-developed a frequency-hopping communication system intended to prevent enemy forces from jamming Allied torpedo guidance signals during World War II. She patented the technology, though the Navy never adopted it during the war.

Decades Ahead of Its Recognition

The same frequency-hopping principle she helped pioneer later became foundational to technologies like Wi-Fi, Bluetooth, and GPS. Lamarr received little public credit for it during her lifetime.

It took decades for her contribution to be properly recognized, well after the technology she helped invent had already reshaped how the world communicates.

How many other inventors have been overshadowed by a more marketable image of who they were “supposed” to be?