John D Rockefeller started out with one kerosene refinery in Cleveland, Ohio. Within 15 years it became the largest oil producer in the world. After conquering the fuel industry, the Rockefellers gave much of their wealth away through philanthropy.

J. Paul Getty made billions of dollars in the oil industry, rising to become the 'richest man in the world.' But at the peak of his success, his grandson was kidnapped. The $17 million ransom was less than he was making daily... But would he pay it?