Andrew Mellon
Andrew William Mellon (/ˈmɛlən/; 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 March 4, 1921 to February 12, 1932, from the wealthy Mellon family of Pennsylvania. He and his brother Richard Beatty Mellon and (independently) Andrew Carnegie founded two institutes of higher education that would eventually merge to form Carnegie Mellon University.