Heady Hedy. Pretty...and smart.

Not only was actress Hedy Lamarr gorgeous, she starred in the first nude scene in motion picture history (Ecstasy, 1933), as well as the first on-screen orgasm. And - Hedy is the co-inventor of the fequency-hopping spread-spectrum. Without it, you wouldn't be reading this right now.

Hedy and her assets in Ecstasy.