Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. John Henry Eaton was an American politician and diplomat from Tennessee who served as U.S. Senator and as Secretary of War in the administration of Andrew Jackson. He was the youngest U.S. Senator in history, having been 28 years old at the time of his swearing-in. Eaton was born near Scotland Neck, Halifax County, North Carolina. His first wife was Myra Lewis, who died before 1818, when he was 28 years old. In 1829, years after meeting her and her husband in Washington, DC, Eaton married his second wife Peggy O'Neill Timberlake, a longtime friend and newly bereaved widow. Eaton was a lawyer and member of the Democratic Party. He served in the U.S. Army during the War of 1812. He was a member of Tennessee House of Representatives from 1815 to 1816