Hedy Lamarr (1914–2000) was en Austrian-American actress and inventor.
Lamarr was a self-taught inventor in everything from chemistry to aerodynamics. In 1942, Lamarr (along with George Antheil) patented the "Secret Communication System", a method that enabled radio signals to automatically switch frequencies between 88 different channels. The invention was used by the US Navy to make tracking of radio controlled torpedoes difficult. The spreading technology that Hedy Lamarr helped lay the foundation for today's wireless communication with Bluetooth and Wi-Fi, but she never made any money on the patent. She (and Antheil) were retroactively elected to the 2014 National Inventors Hall of Fame.
She was born as Hedwig Kiesler in Austria and first became known and world famous for her daring nude scenes in the Czech film "Extas" (1933) and then continued in Hollywood in, among others, "Algiers" (1938), "Dagdrivarbanden" (1942) and " Samson and Delila ”(1949). In 1966 Lamarr published a controversial autobiography, Ecstasy and Me.