Thomas Wallace Knox (June 26, 1835 - January 6, 1896) was a journalist, author, and world traveler, known primarily for his work as a New York Herald correspondent during the American Civil War. As an author, Knox wrote over 45 books, including a popular series of travel adventure books for boys. Knox was well known for his written attacks on William Tecumseh Sherman and his Union soldiers, which reintroduced into the public debate the issue of Sherman's sanity. His work was controversial as he published important information pertaining to the Vicksburg Campaign. Knox was acquitted on spy charges but found guilty of disobeying orders.Thomas Wallace Knox was born in Pembroke, New Hampshire in 1835, where he attended local schools. He became a teacher, moving west into New York State and founding an academy in Kingston. In 1860, at the age of 25, Knox headed west to take part in the gold rush in Colorado. He soon started working for the Denver Daily News. Upon the outbreak of the Civil War, Knox enlisted in the California National Guard, where he was commissioned as a lieutenant colonel. He was wounded in a Missouri skirmish, and subsequently discharged. At that point, Knox returned to journalism, as a correspondent for the New York Herald. He soon ran afoul of General Sherman.