Hedy is a German diminutive of Hedwig (Old Germanic *hadu* + *wig*: "battle combat"). **Hedy Lamarr (1914-2000)** was the **Austrian-American film star — once called "the most beautiful woman in films"** — who during WWII **co-invented (with composer George Antheil) a frequency-hopping spread-spectrum technology for radio-guided torpedoes**. **U.S. Patent 2,292,387 (1942) — the technological basis for modern Bluetooth, GPS, and Wi-Fi.** Inducted into the National Inventors Hall of Fame in 2014.
Subject of the 2017 documentary *Bombshell: The Hedy Lamarr Story*.
Hedy reduces to one — the number of frequency-hopping inventor.