William Jay was an American reformer, jurist, and son of  an American statesman who directed U.S. foreign policy for much of what decade?
William Jay (jurist) William Jay (16 June 1789 – 14 October 1858) was an American reformer, jurist, and the son of Founding Father and first U.S. Supreme Court Chief Justice John Jay (1745–1829).
Andrew Mellon Andrew William Mellon ( ; March 24, 1855 – August 26, 1937) was an American banker, businessman, industrialist, philanthropist, art collector, and politician. From the wealthy Mellon family of Pennsylvania, he established a vast business empire before transitioning 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 lowered taxes and government spending in the aftermath of World War I.