Hedy Lamarr
1914–2000 — Austria/USA
Era: Modern
Brilliance: 8/10 | Stewardship: 7/10 | Composite Index: 56
Movie star who co-invented frequency hopping — the basis of WiFi and Bluetooth.
"The walls we build around us to keep sadness out also keeps out the joy."
Biography
Hedy Lamarr was an AustrianAmerican actress and inventor whose 1942 frequencyhopping patent became the foundation for modern wireless technologies like WiFi and Bluetooth. Beyond her glamorous Hollywood career, she pioneered secure military communications during World War II alongside composer George Antheil. Her dual legacy challenges the false divide between beauty and brilliance, earning her recognition as a visionary technologist decades after her invention.
Key Facts
- Co-invented 'Secret Communication System' (frequency hopping) in 1942 to prevent radio-guided torpedoes from jamming
- Patent was issued but the U.S. military didn't use it during WWII, expiring before commercial adoption became lucrative
- Her frequency-hopping technology was rediscovered and used in military applications during the Cuban Missile Crisis
- Received the INVENTION Founders Award in 1997, one of the few actresses honored for technological innovation
- Modern WiFi, Bluetooth, and military communications directly derive from her patented spread-spectrum technology
Hollywood icon who secretly invented WiFi—and never got paid.
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