Non veni pacem mittere, sed gladium.
Mel Brooks, "She never got the joke."
"The most beautiful (and the smartest) woman ever to appear in films." She's no Kardashian.
Grace Kelly is at least as beautiful IMO but Miss Lamar takes the prize for smartest in a walkover. No contest there.
As LL suggests, and for anyone who does not know, she obtained a 1942 patent for a frequency-hopping technology that, while not implemented during the war, is now incorporated into wi-fi and other modern communication technologies.Wiki entry, here: https://en.wikipedia.org/wiki/Hedy_LamarrPatent, here: https://www.google.com/patents/US2292387...not just another pretty face!
Well, Clara Bow may have been the original "It Girl," but I'd say Hedy has got a great big supply of "it" herself!