NAMES OF RICHEST OF ALL TIMES NET WORTH $ COMPANY NAMES OF RICHEST OF TODAY NET WORTH $ COMPANY VARIANCE $ Mansa Musa 400 billion emperor of the Mali empire Bill Gate 85.9 billion Microsoft 314.1 billion John D. Rockefeller 340 billion Standard Oil Amancia Ortega 75.8 billion Inditex fashion group 264.2 billion Andrew Carnegie 310 billion U.S. Steel Corp. Warren Buffett 68.2 billion ` Berkshire Hathway 241.8 billion Nikolai Alexandrovich Romanov 300 billion emperor of Russia Jeff Bezos 63.1 billion Amazon 236.9 billion Mir Osman Ali Khan 230 billion ...