Steve Jobs

He was adopted by a working class family; he grew up in apricot orchards that would later become Silicon Valley. He dropped out of Reed College because he couldn't pay the tuition; he co-founded Apple in his parents' garage in 1976. He was ousted from the iconic brand in 1985 after power struggle with chief John Scully but returned to Apple in 1996 and created the iPod and iphone revolution. When away from Apple he also started Pixar animation, creator of hits like Toy Story and Finding Nemo, that was later sold to Disney. Jobs now is the ceo of apple, sits on Disney's board as its largest shareholder.He is now worth more than $6 Billion

Check out his inspirational speech at Stanford University