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Hedy Lamarr was considered one of the most beautiful women in Europe. Born Hedwig Eva Maria Kiesler in 1914 to a Jewish family in Vienna, Austria-Hungary, she became a film star in Europe by the 1930s, and soon after, she achieved similar recognition in the U.S. In addition to her acting career, Hedy pursued inventing.   Motivated to assist U.S. efforts during WWII, she focused on designing a radio guidance system for Allied torpedoes that would counter the threat of jamming.   Although her innovation was not used during the war, the principles she developed are now integrated into modern technologies such as Wi-Fi, CDMA, and Bluetooth.   On August 11, 1942, Hedy Lamarr was granted a patent for her revolutionary “frequency hopping communication system,” which forms the basis of much of today’s wireless technology. In recognition of her achievements, she was inducted into the National Inventors Hall of Fame in 2014.

Happy birthday to the late Hedy Lamarr ( born Hedwig Eva Maria Kiesler; November 9, 1914[a – January 19, 2000) was an Austrian-born American film actress and inventor.

After a brief early film career in Czechoslovakia, including the controversial Ecstasy (1933), she fled from her husband, a wealthy Austrian ammunition manufacturer, and secretly moved to Paris. Traveling to London, she met Metro-Goldwyn-Mayer studio head Louis B. Mayer, who offered her a movie contract in Hollywood. She became a film star with her performance in Algiers (1938). Her MGM films include Lady of the Tropics (1939), Boom Town (1940), H.M. Pulham, Esq. (1941), and White Cargo (1942). Her greatest success was as Delilah in Cecil B. DeMille's Samson and Delilah (1949). She also acted on television before the release of her final film, The Female Animal (1958). She was honored with a star on the Hollywood Walk of Fame in 1960.

Hedy Lamarr (born Hedwig Eva Maria Kiesler; November 9, 1914 – January 19, 2000) was an Austro-Hungarian-born American actress and technology inventor. She was a film star during Hollywood's Golden Age.

Although Lamarr had no formal training and was primarily self-taught, she invested her spare time, including on set between takes, in designing and drafting inventions, which included an improved traffic stoplight and a tablet that would dissolve in water to create a flavored carbonated drink.

During the late 1930s, Lamarr attended arms deals with her then-husband arms dealer Fritz Mandl, "possibly to improve his chances of making a sale." From the meetings, she learned that navies needed "a way to guide a torpedo as it raced through the water." Radio control had been proposed. However, an enemy might be able to jam such a torpedo's guidance system and set it off course. When later discussing this with a new friend, composer and pianist George Antheil, her idea to prevent jamming by frequency hopping met Antheil's previous work. In that earlier work, Antheil attempted synchronizing note-hopping in an avart-garde piece involving multiple synchronized player pianos. Antheil's idea in the piece was to synchronize the start time of identical player pianos with identical player piano rolls, so the pianos would be playing in time with one another. Together, they realized that radio frequencies could be changed similarly, using the same kind of mechanism, but miniaturized.

Based on the strength of the initial submission of their ideas to the National Inventors Council (NIC) in late December 1940, in early 1941 the NIC introduced Antheil to Samuel Stuart Mackeown, Professor of Electrical Engineering at Caltech, to consult on the electrical systems.

Lamarr hired the Los Angeles legal firm of Lyon & Lyon to search for prior art, and to draft the application for the patent which was granted as U.S. Patent 2,292,387 on August 11, 1942, under her legal name Hedy Kiesler Markey.

In 1997, Lamarr and Antheil received the Electronic Frontier Foundation Pioneer Award and the Bulbie Gnass Spirit of Achievement Bronze Award, given to individuals whose creative lifetime achievements in the arts, sciences, business, or invention fields have significantly contributed to society.

“Have you been happy? Really, have I made you happy?”