James Madison

James Madison Jr. (March 16, 1751[b] – June 28, 1836) was an American statesman, diplomat, expansionist, philosopher, and Founding Father who served as the 4th president of the United States from 1809 to 1817. He is hailed as the "Father of the Constitution" for his pivotal role in drafting and promoting the Constitution of the United States and the Bill of Rights. He co-wrote The Federalist Papers, co-founded the Democratic-Republican Party, and served as the 5th Secretary of State from 1801 to 1809 under President Thomas Jefferson.