
The richest man in history was probably John D Rockefeller, founder of Standard Oil, later broken up into seven smaller companies, one of which is now Exxon Mobil.
At his death, he was worth $700 billion in today’s money.

The richest man in history was probably John D Rockefeller, founder of Standard Oil, later broken up into seven smaller companies, one of which is now Exxon Mobil.
At his death, he was worth $700 billion in today’s money.