Hedy Lamarr

Lore & Background

Her father was a bank director; her mother was a pianist. She showed an early interest in acting and won a beauty contest at age 12. She began learning about technological inventions from her father. Traveling to London, she met Louis B. Mayer, who offered her a film contract in Hollywood.

Reader's Guide

At the beginning of World War II, along with composer George Antheil, Lamarr co-invented a radio guidance system for Allied torpedoes that used spread spectrum and frequency hopping technology to defeat the threat of radio jamming by the Axis powers. This approach, conceptualized as a 'Secret Communication System', was intended to provide secure, jam-resistant communication for weapon guidance by spreading the signal across multiple frequencies. Frequency hopping, which existed and was utilized before the Lamarr–Antheil patent, is a foundational technology for spread spectrum communications. Its principles are utilized for secure wireless networking, including Bluetooth and early versions of Wi-Fi, which use variants of spread spectrum to protect data from interception and interference. Lamarr's legacy thus extends beyond her film career into foundational contributions to modern wireless communication.

Did You Know?

• Lamarr co-invented a radio guidance system for Allied torpedoes during World War II.
• Her invention used spread spectrum and frequency hopping to defeat radio jamming.
• Frequency hopping principles are used in Bluetooth and early versions of Wi-Fi.

Common Misconceptions (Editorial)

Some people think Hedy Lamarr was only an actress, but she was also an inventor who co-invented a radio guidance system using spread spectrum and frequency hopping. Others mistakenly believe her invention was unrelated to modern technology, when in fact frequency hopping principles are used in Bluetooth and early versions of Wi-Fi.

Why It Matters (Editorial)

Hedy Lamarr endures as a symbol of underestimated genius, proving that creativity and technical brilliance can thrive outside expected fields. Her wartime invention not only aimed to protect Allied torpedoes but also laid groundwork for wireless communication technologies we rely on today, reminding us that innovation often comes from unexpected sources.

Notable Quotes (Wikiquote)

"Any girl can be glamorous. All you have to do is stand still and look stupid." — Hedy Lamarr "Quotes of Lamarr from the New York Times article "Would You Believe I Was Once A Famous Star? It's the Truth!" — Hedy Lamarr "First he married Joan Bennett, then he married me, then he married Myrna Loy. I had a wonderful first love affair. I like men. Gene Markey was the only civilized man. He used to spit into a spittoon." — Hedy Lamarr "The most horrible whores are famous. I did what I did for love. The others did it for money." — Hedy Lamarr