Mark Twain

Mark Twain, born Samuel Langhorne Clemens, was a prolific American author and humorist. Twain is best known for his novels Adventures of Huckleberry Finn (1884), which has been called "the Great American Novel", and The Adventures of Tom Sawyer (1876). He is extensively quoted. Twain was a friend to presidents, artists, industrialists, and European royalty. (Source.)