From Rockefeller and Carnegie to Musk and Zuckerberg: The Evolution of the Public Billionaire
The world’s first confirmed billionaire was fossil-fuel magnate John D. Rockefeller, who reached that rarefied height of stupefying wealth in 1918. Back then, Rockefeller’s billionaire status took him a long way. In 1913, his personal wealth reportedly accounted for about three percent of the USA’s GDP.
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