Recent research has shown that the richest man ever is not Jeff Bezos, the founder of Amazon.
Jeff Bezos, a businessman and the founder of Amazon is the richest man in the world.
He is the richest man in modern history with a net worth of $149.4 billion, but not the wealthiest man of all time.
According to BBC, the 14th-century emperor of Mali, Mansa Musa, is believed to be the richest man ever with a net worth of $400 billion.
Mansa Musa, who ruled from 1312 to 1337, has made his fortune from gold and salt.
Mansa Musa, who was born in 1280 into a family of rulers, inherited the throne when his brother Mansa Abu-Bakr abdicated to go on an expedition.
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The emperor was able to grow his kingdom under his rule, annexing 24 cities, including Timbuktu.
However, after his death in 1337 at the age of 57, the empire which was taken over by his sons could not be held together, leading to its fall.