9. Hedy Lamar

Next time you use your phone, or connect it to a nearby wifi to check out just how popular you are on various social networks, make sure to thanks your lucky stars you live in a world where such technology is possible.

Also, thanks one particular star just for that. Legendary actress Hedy Lamar who was one of the most glamorous faces in Hollywood back in the day was the one we should be crediting for our endless supply of easy-to-access internet.

The genius actress invented a communication system by using music, a system that laid the groundwork for new-age cell phones and wifi. Her work included using encrypted radio signals by using paper rolls (like the ones in pianos).