John D. Rockefeller Jr. Biography - Facts, Childhood, Family Life & Achievements

John D. Rockefeller Jr. was an American philanthropist, financier and conservationist. The only son of John D, Rockefeller, the founder of the Standard Oil, he is believed to have donated over $537 million over his lifetime to various causes.

John D. Rockefeller - Wikipedia

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John D. Rockefeller Jr. Biography - Facts, Childhood, Family Life & Achievements

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John D. Rockefeller Jr. - Wikipedia

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John D. Rockefeller Biography - Facts, Childhood, Family Life & Achievements