Aaron Burr , Jr. ( February 6 , 1756 -- September 14 , 1836 ) was an American politician . He was the third Vice President of the United States ( 1801 -- 1805 ) ; he served during President Thomas Jefferson 's first term .
Aaron Burr , Jr. ( February 6 , 1756 , -- September 14 , 1836 ) was an American politician , Revolutionary War hero and the third Vice President of the United States ( 1801 -- 1805 ) .