Hedy Lamarr, an Austrian-Jewish actress who fled the Nazis in 1937,
co-invented a frequency-hopping radio system designed to keep Allied torpedoes from being jammed by enemy ships.
The US Navy ignored her invention during the war.
Decades later, her patent became the foundation of Wi-Fi, Bluetooth, and GPS.
A beautiful Jewish woman the world only saw as a face gave that world the invisible nervous system it now runs on.