Andrew William Mellon (March 24, 1855 - August 26, 1937) was an American banker, businessman, industrialist, philanthropist, art collector, United States Ambassador to the United Kingdom and United States Secretary of the Treasury from 1921 to 1932. He joined his father's banking firm in 1880 and two years later had ownership of the bank transferred to him. In 1889, he helped organize the Union Trust Company and Union Savings Bank of Pittsburgh. He also branched into industrial activities: oil, steel, shipbuilding, and construction. Areas where Mellon's backing created giant enterprises included aluminum, industrial abrasives, and coke. Mellon financed Charles Martin Hall, whose refinery grew into the Aluminum Company of America (Alcoa). He became the partner of Edward Goodrich Acheson in manufacturing silicon carbide, a revolutionary abrasive, in the Carborundum Company. He created an entire industry through his help to Heinrich Koppers, inventor of | |
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