Hedy Lamarr invented "frequency hopping" technology, which was put to use in a secret communications system and in radio-controlled torpedoes in WWII, which in turn laid the foundations for future technological developments such as Wi-Fi and GPS.
Diana Ross and Richard Gere arriving at Studio 1979 (UPI). Photo Diana Ross dancing at Studio 1979 (UPI). Photo Diana Ross and Steve Rubell at Studio 1979 (Darleen Rubin). Provenance: Estate of Steve Rubell