Who wrote about John D Rockefeller?
Anyone that was against capitalism or Social Darwinism. But the most known person to have hated John D. Rockefeller was Ida Tarbell. She wrote a series attacking Rockefeller to uncover his unethical ways of creating a monopoly. (The series was known as "The History of the Standard Oil Company".) She basically hated him because Rockefeller drove out many small businesses out of the competing market, which included her father.