ADJUSTED FOR INFLATION, the richest man in human history. “With an inflation adjusted fortune of $400 billion, Mansa Musa I would have been considerably richer than the world’s current richest man, Carlos Slim, who ranks in 22nd place with a relatively paltry $68 billion.” Yeah, but it was hard to get your Gulfstream serviced back then.

The nice thing about this list is how many people at the top made their money through free enterprise, rather than through being kings or dictators. The sad thing is how many are kings or dictators.