This statesman, politican, scholar, inventor, and one of early presidents of USA invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel.

Thomas Jefferson, the third President of the United States, was a polymath who invented the swivel chair, spherical sundial, moldboard plow, and cipher wheel. He was not only a statesman and politician but also a scholar and inventor. George Washington, Alexander Hamilton, and John Adams were not known for these inventions.