Who is the richest man of all time? Bill Gates? Warren Buffet? Not even close, though there's no denying they're very, very rich. The richest man of all time, when wealth is measured as a percentage of the national economy, was John D. Rockefeller, whose fortunes made Gates' and Buffet's look downright puny.
The richest people ever belong in their own special club. These people (all men) have built fortunes of legendary proportions when calculated at the peak of their wealth.
Here's a list of the 10 richest people of all time.