Barack Hussein Obama
American Politician. Currently serving as the 44th President of the United States, the first African American to hold office.
Steve Jobs
American Information Technology entrepreneur and inventor. Co-founder, Chairman, and CEO of Apple Inc.
Mark Elliot Zuckerberg
American Internet entrepreneur and philanthropist. Chairman, CEO and Co-founder of Facebook.
Dean L. Kamen
American entrepreneur and inventor. He landed in the limelight with the Segway.
Image credit: Ted
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Iconic German-born Theoretical Physicist.