Thomas Jefferson (April 13, 1743 – July 4, 1826) was an American statesman, diplomat, lawyer, architect, philosopher, and Founding Father who served as the third president of the United States from 1801 to 1809. Thomas Jefferson (April 13, 1743 – July 4, 1826) was an American statesman, diplomat, lawyer, architect, philosopher, and Founding Father who served as the third president of the United States from 1801 to 1809. He previously served as the second vice president of the United States from 1797 to 1801. After the British burned the Library of Congress during the War of 1812, he sold this second library to the U.S. government to jumpstart the Library of Congress collection, for the price of $23,950. Jefferson used a portion of the money secured by the sale to pay off some of his large debt, remitting $10,500 to William Short and $4,870 to John Barnes of Georgetown.