Jefferson's Vice President was Aaron BURR, who served from 1801 to 1805. He was a lawyer and politician from New Jersey and was the third Vice President of the United States. His term was marked by political rivalry with Alexander Hamilton, which culminated in the famous duel in which Hamilton was killed. Jefferson's second Vice President was George CLINTON, who served from 1805 to 1812. He was a soldier and statesman from New York and was the fourth Vice President of the United States. He was also the first Governor of New York and served as a delegate to the Continental Congress.