John D. Rockefeller was the wealthiest man that America had ever know. The Standard Oil trust he created controlled the world’s oil. Edward Jay Epstein turns to the Rockefeller dynasty that produced Governors, Senators, and even a Vice President of the United States. Lord Acton famously wrote «all power tends to corrupt; absolute power corrupts absolutely.» This investigative biography explores the corrosive influence of the Rockefeller’s power over three generations.