Abraham Alfonse Albert Gallatin, born de Gallatin (January 29, 1761 – August 12, 1849) was an American politician, diplomat, ethnologist and linguist. Biographer Nicholas Dungan states he was "America's Swiss Founding Father." He is known for being the founder of New York University and for serving in the Democratic-Republican Party at various federal elective and appointed positions across four decades. He represented Pennsylvania in the Senate and the House of Representatives before becoming the longest-tenured United States Secretary of the Treasury and serving as a high-ranking diplomat.