Actors - Hedy Lamarr

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	Actors - Hedy Lamarr

Hedy Lamarr (November 9, 1913 – January 19, 2000) was an actress and communications technology innovator. She was known for her great beauty on camera, and also for co-inventing the first form of spread spectrum, a key to modern wireless communication.

Life

Lamarr was born Hedwig Eva Maria Kiessler to a Jewish family in Vienna, Austria, on November 9, 1913, and died in 2000 in Altamonte Springs, Florida (near Orlando, Orange County, Florida) of natural causes at the age of 86.

While married to her first husband, Friedrich Mandl, aka Fritz Mandl, an arms manufacturer, she socialized with Adolf Hitler and Benito Mussolini. She also became educated technically in his trade. Mandl was obsessed with his wife and never let her out of his sight. She hated him and his Nazi friends and finally escaped to London by drugging him and the French maid he had hired to spy on her. Ironically, Mandl was from a Jewish background. Whether the Nazis ever knew about Mandl's and Lamarr's Jewish origins has been debated by historians; Friedrich Mandl came from an extremely assimilated family and it appears that he overtly hid his Jewish origins, and he converted to Christianity under evident pressure. Many also say that Lamarr's co-invention of spread spectrum as a potential World War II military application was sparked by her desire to do anything in her power to help see Nazism defeated.

She met Louis B. Mayer in London. He hired her and changed her name to Hedy Lamarr, the surname in homage to a famously beautiful film star of the silent era, Barbara LaMarr, who had died of a drug overdose in 1926. She had already appeared in several European films, including Ecstasy, in which she played a love-hungry young wife of an indifferent old husband. Closeups of her face in passion, and long shots of her running nude through the woods, gave the film notoriety. She also gained notoriety as one of the first actresses to bare her breasts in a major film. Mandl bought up as many copies of the film as he could possibly find, as he objected to her nudity, as well as "the expression on her face."

In Hollywood, she appeared in many films, usually cast as glamorous and seductive, including White Cargo and Tortilla Flat (both 1942), based on the novel by John Steinbeck. Her biggest success came in Cecil B. DeMille's Samson and Delilah (1949) with Victor Mature as the Biblical strongman.

Lamarr became a naturalized citizen of the United States on April 10, 1953.

Frequency-hopped spread spectrum invention

Hedy Lamarr and composer George Antheil received U.S. patent #2,292,387 for their Secret Communication System. This early version of frequency hopping used a piano roll to change between 88 frequencies and was intended to make radio-guided torpedoes harder for enemies to detect or jam. The patent was little-known until recently because Lamarr applied for it under her then-married name of Hedy Kiessler Markey. Neither Lamarr nor Antheil made any money from the patent. It had expired by the time the U.S. military barely began using this system after 1962. It took electronics technology a long time to catch up with the concept.

Lamarr's frequency-hopping technology served as the basis for modern spread-spectrum communication technology used in devices ranging from cordless telephones to WiFi Internet connections. In 1997, the two of them received an EFF Pioneer Award for the invention.

Lamarr wanted to join the National Inventors Council but she was told that she could better help the war effort by using her celebrity status to sell War Bonds. She once raised $7,000,000 at just one event.

In 2003, the Boeing corporation ran a series of recruitment ads featuring Hedy Lamarr as a woman of science. No reference to her film career was made in the ads.

In 2005, the first Inventor's Day in Germany was held in her honor on November 9, on what would have been her 92nd birthday.

Marriages

Lamarr was married to:

Friedrich (Fritz) Mandl (1900–1977), married 1933–37; chairman of Hirtenberger Patronen-Fabrik, a leading armaments firm founded by his father, Alexander Mandl. In 1938, when his property was seized by the Austrian government, Mandl, although also of Jewish descent, was a Nazi sympathizer who had become close to Prince Ernst Ruediger von Stahremberg, the deposed Fascist Austrian Vice-Chancellor. Mandl fled to Brazil and later to Argentina, where he became a citizen and remarried. He also became an advisor to Juan Perón, and a film producer, whose leading ladies included the future Eva Perón. He also founded a new company, an airplane factory called "Industria Metalúrgica y Plástica Argentina", and he served a prison sentence there, too.

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Actors - Hedy Lamarr

Life

Frequency-hopped spread spectrum invention

Marriages

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