He was the author of the Declaration of Independence.
One of the leading architects of his time, he designed the Virginia Capitol, the University of Virginia and his home, Monticello.
An inventor and scientist, he invented the lap desk, a decoding device, and developed the decimal system of coinage that is the basis of American money - dollars and cents.
He was the third President of the United States.
As President one of his greatest accomplishments was doubling the size of the United States with the Louisiana Purchase from France.
He died on the same day as John Adams - July 4, 1826 - and wrote his own grave marker which reads:
"Here was buried Thomas Jefferson, Author of the Declaration of American Independence, or the Statute of Virginia for religious freedom, & Father of the University of Virginia."