[dfwgator]

They are little more than 1940’s walkie talkies. The switching software/hardware was derived from a patent held by...wait for it...Heddy Lamar.

[Tuxedo]

That’s Hedley!!!

[Vermont Lt]

That image is in my mind every time I hear her name.

Hedley....Hedley....

[Mark17]

Yes, actress Hedy Lamarr, was an inventor, who originally was working on making US submarine torpedoes work better, along with George Antheil.

https://leaders.com/articles/leaders-stories/hedy-lamarr-inventions/