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Hedy Lamarr is a more interesting person than you could ever imagine:
https://en.wikipedia.org/wiki/Hedy_Lamarr
Reads opening summary
"Okay, mhmmm, interesting life and career as an actress..."
Reads just below that
"WHAT that's cool"
There's even a headcrab named after her.
Hedy Lamarr is absolutely awesome, enjoy the Wikipedia rabbit hole.
It was a cool idea - unfortunately the US Navy decided not to use it because they felt the required gears, motors and circuitry (in the age of vacuum tubes) would add too much weight and complexity to a torpedo, and they were concerned about reliability. So the idea remained on paper, with no prototypes ever being built. In the late 1950s, when transistor technology was replacing vacuum tubes, radio engineers at Phillips Corp (if I remember right) made the concept practical. Some people's version of all this is to credit Lamarr for inventing WiFi or even the Internet, and that the navy wouldn't listen to her because she was a woman until a corporations stole her idea - placing her in the mythical realm of Nikola Tesla.
Hedly!