John Pierpont Morgan Sr. (April 17, 1837 – March 31, 1913) was an American financier and investment banker who dominated corporate finance on Wall Street throughout the Gilded Age. As the head of the banking firm that ultimately became known as J.P. Morgan and Co.
Over the course of his career on Wall Street, J.P. Morgan spearheaded the formation of several prominent multinational corporations including U.S. Steel, International Harvester and General Electric which subsequently fell under his supervision. He and his partners also held controlling interests in numerous other American businesses including Aetna, Western Union, Pullman Car Company and 21 railroads. Due to the extent of his dominance over U.S. finance, Morgan exercised enormous influence over the nation's policies and the market forces underlying its economy.