Hedy Lamarr ( born Hedwig Eva Maria Kiesler; September or 9 November 1914 – 19 January 2000) was an Austrian-born American actress, inventor, and film producer. She appeared in 30 films over a 28-year career in Europe and the United States, and co-invented an early version of frequency-hopping spread spectrum communication, originally intended for torpedo guidance.
Lamarr was born in Vienna, Austria-Hungary, and acted in a number of Austrian, German, and Czech films in her brief early film career, including the controversial Ecstasy (1933). In 1937, she fled from her husband, a wealthy Austrian ammunition manufacturer, secretly moving to Paris and then on to London. There, she met Louis B. Mayer, head of Metro-Goldwyn-Mayer (MGM) studio, who offered her a Hollywood movie contract, where he began promoting her as "the world's most beautiful woman"
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