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9. Henry Ford - $199 billion

The Ford Motor Co. founder seems to have built an assembly line straight to the bank. A major figure in the development of automobiles for the masses, he pioneered still-popular business practices, including the production of cheap goods at low cost. The failed Senate candidate and known anti-Semitic was born into a prosperous Michigan family in 1863. The Henry Ford and Ford Motor Co. via Agence France-Presse