The company Rockefeller started at age 23, Standard Oil, came to hold a virtual monopoly on the American oil industry. He maintained control of Standard Oil until its eventual break-up by the U.S.

It’s as if John D. Rockefeller is reaching out from the grave to reassemble his old Standard Oil monopoly. ConocoPhillips’ $22.5 billion all-stock acquisition of Marathon Oil—both former pie ...

John D. Rockefeller, the iconic American entrepreneur and co-founder of Standard Oil, bequeathed not only a fortune but also gems of wisdom in the form of letters to his son, John D. Rockefeller ...

Rockefeller Sr. with family. Rockefeller Archives. The so-called Cleveland Massacre was the beginning of John D. Rockefeller's ... her The History of the Standard Oil Company.