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Founding partner of the seed stage venture firm Y Combinator and author.
Business magnate, investor, and philanthropist. Chairman and CEO of Berkshire Hathaway. One of the best-known fundamental investors in the world.
Politician who served as the 44th president of the United States from 2009 to 2017. First African-American president. Former U.S. senator and Illinois state senator. Civil rights lawyer and university lecturer.
Business magnate, investor, and philanthropist. Co-founder of Microsoft and key figure in the microcomputer revolution of the 1970s and 1980s.
Theoretical physicist known for his work in the path integral formulation of quantum mechanics, theory of quantum electrodynamics, and the physics of superfluidity. Nobel Prize recipient for his contributions to the development of quantum electrodynamics.