Rockefeller is so far the only case that has been seen of a man who came to build a pure monopoly, which cost the government itself to dissolve and in fact marked in depth the development of the oil industry worldwide.
He is considered the most affluent man in World History5 6 7 8 9 and is the founder of the mythical family of millionaires that still persists today, with his same name and power as well as the extension of his wealth they were extreme not only over the United States but over other places, such as Europe and Latin America, in fact, his family continued to control 90% of the oil industry in the latter region for more than six decades after his death.
Due to his vast fortune, Rockefeller managed to become the very image of the American billionaire. Owned multiple real estate properties. His principal residence in New York, was the most luxurious and extensive of all,having nine floors. In addition, it initiated investments in a variety of other entities, financial and productive.
His philanthropic contributions reached 550 million dollars. Of these, 80% went to four charities created by Rockefeller: the Rockefeller Foundation, the General Education Board, the Rockefeller Institute for Medical Research (today Rockefeller University) and the Laura Spelman Rockefeller Memorial, created in 1918 and absorbed by the Rockefeller Foundation in 1929.