Mark Twain, the pen name for Samuel Langhorne Clemens (1835–1910), was an American writer, humorist, entrepreneur, publisher, and lecturer, celebrated as one of America's greatest literary figures. He hails from Florida, Missouri, and is best known for his novels 'The Adventures of Tom Sawyer' (1876) and its sequel, 'The Adventures of Huckleberry Finn' (1885), the latter often called the 'Great Am...