Hedy Lamarr

Hedy Lamarr (/ˈheɪdi/), born Hedwig Eva Maria Kiesler (November 9, 1914^[a] – January 19, 2000), was an Austrian-American actress, inventor, and film producer. She was part of 30 films in an acting career spanning 28 years, and co-invented an early version of frequency-hopping spread spectrum.^[1][2]