1914: Hedy Lamarr is born
On 9 November 1914, Hedwig Eva Maria Kiesler was born in Vienna, Austria. The world would come to know her as Hedy Lamarr, one of the most celebrated actresses of Hollywood’s golden age. Far less known during her lifetime was her parallel career as an inventor whose ideas helped lay the groundwork for the wireless technologies that power today’s digital and artificial-intelligence systems.
In the early 1940s, as World War II raged, Lamarr grew frustrated with the vulnerability of radio-controlled torpedoes to enemy jamming. Working with avant-garde composer George Antheil, she devised a method of “frequency hopping.” The transmitter and receiver would jump synchronously among dozens of different radio frequencies according to a shared, piano-roll-like pattern. The resulting signal was nearly impossible to intercept or jam. They received U.S. Patent 2,292,387 for their “Secret Communication System” in 1942.
The Navy shelved the idea at the time, yet the core concept of spread-spectrum communication proved extraordinarily fertile. Decades later it re-emerged in military communications, then migrated into civilian life. Frequency-hopping and related techniques became fundamental to:
- secure military radios and GPS
- Wi-Fi (IEEE 802.11)
- Bluetooth
- cordless phones and modern cellular standards
These technologies form the invisible nervous system of contemporary computing. Cloud AI platforms rely on high-speed wireless and wired backbones; autonomous drones and self-driving cars exchange data over resilient radio links; billions of smartphones run local and cloud-based AI models that presuppose always-available connectivity. None of this infrastructure would exist in its present form without the spread-spectrum principles Lamarr helped pioneer.
Her story illustrates how the long road to artificial intelligence winds through unexpected terrain—cinema studios and wartime workshops as well as university laboratories. On this day we remember Hedy Lamarr not only as a screen icon but as a thinker whose practical ingenuity continues to enable the networked intelligence of the twenty-first century.