Andrew Mellon
Andrew William Mellon, known also as A. W. Mellon, was an American banker, businessman, industrialist, philanthropist, art collector, and politician. The son of Mellon family patriarch Thomas Mellon, he established a vast business empire before moving into politics. He served as United States Secretary of the Treasury from March 9, 1921, to February 12, 1932, presiding over the boom years of the 1920s and the Wall Street crash of 1929. A conservative Republican, Mellon favored policies that reduced taxation and the national debt of the United States in the aftermath of World War I. Mellon also helped fund and manage Kennywood Park in West Mifflin, Pennsylvania.