Hedy Lamarr: From Hollywood Star to Technological Pioneer
Hedy Lamarr, celebrated as "the most beautiful woman in film," was more than just a glamorous Hollywood actress. Born Hedwig Eva Maria Kiesler on November 9, 1914, in Vienna, Austria, she possessed a brilliant mind that led her to co-invent a groundbreaking radio communication device during World War II. This invention, though initially overlooked, laid the foundation for modern technologies like Wi-Fi, GPS, and Bluetooth. Lamarr's journey from a stage in Berlin to Hollywood and eventually to being recognized as a technological pioneer showcases her multifaceted persona and lasting impact.
Early Life and Education
Hedy Lamarr's upbringing played a crucial role in nurturing her inquisitive mind. Her father, Emil Kiesler, a bank director, encouraged her curiosity, explaining the workings of various machines during their walks. He showed her how printing presses and street cars worked. These early experiences "instilled in her a lifelong interest in invention." Her mother, Gertrud Kiesler, a concert pianist, ensured she received an education in ballet and piano, introducing her to the arts. From age 4, she was privately tutored.
At age 16, Lamarr enrolled in Max Reinhardt’s drama school in Berlin, Germany. Within a year she made her motion-picture debut, in Geld auf der Strasse (1930; Money on the Street).
Acting Career and Marriage
Lamarr's beauty propelled her to stardom at a young age. She began her acting career in Europe, making her motion-picture debut in Geld auf der Strasse (Money on the Street) in 1930. In 1933, she starred as Empress Elisabeth of Austria in the stage play Sissy, winning accolades from critics.
Her budding career was interrupted by her marriage to Fritz Mandl, an Austrian arms manufacturer, in 1933. Mandl prohibited her from acting and confined her to the role of hostess for his business guests. However, her marriage to Mandl provided her with unique insights into arms manufacturing and weaponry, as she was privy to business discussions during his dinner parties. Despite living a privileged life, Lamarr was deeply unhappy and felt stifled in her career.
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In 1937, she fled to London, where she met Louis B. Mayer, co-founder of Metro-Goldwyn-Mayer (MGM) Studios. Mayer was scouting for European talent, and she signed a contract to work for him in Hollywood. Arriving in Hollywood, she quickly became famous after her breakthrough role in Algiers in 1938. Mayer and Lamarr agreed to change her name from Hedwig Kiesler to Hedy Lamarr in homage to Barbara La Marr, a silent film star. She was under contract with the Hollywood film studio Metro-Goldwyn-Mayer from 1938 to 1945. In future films, she was usually cast as a glamorous, exotic temptress, and was known for her stunning beauty as the “most beautiful woman in film.”
The Inventor Emerges: Frequency Hopping Technology
During World War II, Lamarr felt compelled to contribute to the Allied war effort. In 1940, she met avant-garde composer George Antheil, and they began collaborating on a "Secret Communication System." Lamarr had an idea for a communication system that would guide allied torpedos with radio signals. Her idea included a way that could prevent the enemy from “jamming” the signal by switching to different radio frequencies. The idea was that the torpedo and airplane would hop among different frequencies, and when one transmission changed radio signals, the other would switch to the same frequency.
Lamarr and Antheil devised an electronic device that minimized the jamming of radio signals. Lamarr co-invented the technology with her friend-pianist George Antheil, who helped her bring her ideas to life with piano technology-and the two were awarded a patent for their “secret communication system” on August 11, 1942. Through their collaboration, they invented a "Secret Communication System," which used the concept of frequency hopping to guide torpedoes in an un-jammable way. This meant that the radio transmitter and receiver were synchronized, changing their tuning together and hopping randomly from frequency to frequency, preventing interception and allowing a torpedo to find its target.
They introduced the idea to the National Inventors Council, and on August 11, 1942, they received US patent No. 2,292,387 for their frequency hopping spread spectrum invention.
Rejection and Later Recognition
Despite obtaining a patent, the Navy rejected the invention, deeming it too bulky for torpedoes. Lamarr was encouraged to use her celebrity status to sell war bonds instead. She raised $25 million in war bonds in 1942, contributing significantly to the war effort.
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Initial responses to the project seemed promising, and the pair got support from the National Inventors Council, a group dedicated to bringing civilian inventions to the attention of wartime officers and engineers. However, once the Navy received the final patent, they were not receptive, rejecting their proposal and claiming the device was too large to function inside torpedoes.
The story of Lamarr and Antheil’s wartime invention was leaked to the press in 1941 (completely omitting Antheil’s role), and the Stars and Stripes (mockingly) reported on it in November 1945, memory of Lamarr’s role as an inventor faded.
It wasn’t until 1997 that she was finally recognized for her contributions to science, when she was awarded the Electronic Frontier Foundation’s Pioneer Award. Lamarr and Antheil were jointly honored with the Electronic Frontier Foundation’s Pioneer Award.
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