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John D. Rocketfeller
John D. Rockefeller was a philanthropist and was considered the wealthiest American of all time. He built a oil refinery and incorporated the Standard Oil Company. He had a near-monopoly of the oil business which led to the passing of antitrust laws. -
Cornelius Vanderbilt
He was an American business magnate who built his wealth in railroads and shipping. After working with his father's business, he worked his way into leadership positions in the inland water trade and invested in the rapidly growing railroad industry. -
Andrew Carnegie
He was a Scottish-American industrialist, business magnate, and philanthropist. Carnegie led to the expansion of the American steel industry and was the owner of Carnegie Steel Company -
J. P. Morgan
He financed railroads and helped organize U.S. Steel, General Electric and other corporations. Morgan used his influence to help stabilize American financial markets during several economic crises.
