He began his career in the 1940s when he was in his early teens, working as a street vendor in Rio de Janeiro.

FORBES: Silvio Santos

In other green tech news, 3Doodler launched the world's first 3D-printing pen and a group of teens are working on turning mosquitos into "flying syringes" to deliver vaccines to humans.

ENGADGET: Inhabitat's Week in Green: P1 hybrid supercar, asteroid attack lasers and mosquito inoculators

She met and briefly dated the future President while they were still in their teens, when both were working for the late Senator William Fulbright.

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