Hedy Lamarr
Austrian-born movie star, diva, electrical engineer and inventor
Born Hedwig Eva Maria Kiesler in Vienna, Austria (1913-2000)
According to MGM studios: “The most beautiful woman in the world!”
Invented a method spread-spectrum (frequency-hopping) secret communication
Illustrated intro and short bio
less technical bio
Longer books: Hedy Lamarr and a Secret Communication System (Inventions and Discovery series) by Trina Robbins and Spread Spectrum: Hedy Lamarr and the mobile phone
In her last years she became a physical recluse, but spoke to people on the telephone for six or seven hours a day.
Films