richest menWho were the wealthiest people EVER?

Our list of the ten richest, based on scholarly estimates and adjusted for inflation, includes entrepreneurs, warriors, and robber barons. We did not include monarchs, whose vast wealth is considered public.

Bill Gates, Warren Buffett, and Carlos Slim are the only living men who crack the list -- and that's only counting their net worth at bubble peaks in 1999 and 2007.

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(c) National Trust, Sudbury Hall; Supplied by The Public Catalogue Foundation

#7 William de Warenne

Peak fortune: $134 billion

Source of wealth: Originally from Normandy, William I de Warenne participated in the battle of Hastings and was rewarded with properties in Sussex, Northfolk and Yorkshire. He became the first Earl of Surrey.

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