John D. Rockefeller Was the Richest Person To Ever Live. Period, Smart News

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The 10 Richest People of All Time

David Rockefeller, Philanthropist and Head of Chase Manhattan, Dies at 101 - The New York Times

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Who was John D. Rockefeller, and what did he do? - Quora

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The Tycoons: How Andrew Carnegie, John D. Rockefeller, Jay Gould, and J. P. Morgan Invented the American Supereconomy (Audible Audio Edition): Charles R. Morris, William Hughes, Blackstone Audio, Inc.: Books

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