Hedy Lamarr as Sandra Kolter in Ziegfeld Girl

https://en.wikipedia.org/wiki/Hedy_Lamarr ↗️

Hedy Lamarr (born Hedwig Eva Maria Kiesler; November 9, 1914[a] – January 19, 2000) was an Austrian and American actress and inventor.

Lamarr became a film star with her performance in the romantic drama Algiers (1938). She achieved further success with the Western Boom Town (1940) and the drama White Cargo (1942). Lamarr's most successful film was the religious epic Samson and Delilah (1949). She also acted on television before the release of her final film in 1958. She was honored with a star on the Hollywood Walk of Fame in 1960.

At the beginning of World War II, along with 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.

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