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Andrew Carnegie
He made many wise choices and found that his investments, especially those in oil, brought in substantial returns. ... His business, which became known as the Carnegie Steel Company, revolutionized steel production in the United States. -
J. P. Morgan
financed railroads and helped organize U.S. Steel, General Electric and other major corporations. ... Morgan used his influence to help stabilize American financial markets during several economic crises, including the panic of 1907. -
John D. Rockefeller
he was trained as a bookkeeper but entered the oil business shortly after the discovery of oil in Titusville, Pennsylvania in 1859. -
Cornelius Vanderbilt
was a self-made multi-millionaire who became one of the wealthiest Americans of the 19th century. ... In the 1860, he shifted his focus to the railroad industry, where he built another empire and helped make railroad transportation more efficient.
