John Quincy Adams - 6th President of U.S. - son of John Adams, (2nd President). He served as Secretary of State under James Monroe, and is regarded as one of the greatest diplomats in American history. He reportedly had the highest IQ of any American President. He died in 1848 at the age of 81.
"Peacefield" was home to President John Adams and his wife Abigail from 1787 to 1826, then passed to President John Quincy Adams & wife Louisa Catherine Adams. The home stayed in the Adams' subsequent family until 1946.