A list of the world's wealthiest people ranked by their peak wealth. Photos included. Every year we see the latest lists of richest people in the world. But who really is the richest of "all time"? Who has acquired the highest peak of wealth? Who is the wealthiest person in the world when we compare everyone when they were at the height of their net worth? This list answers that question. No shenanigans, just money and numbers. Who is the richest, wealthiest, most financially successful person in the world of all time?