Mark Twain, was an American author and humorist. He is most noted for his novels, The Adventures of Tom Sawyer (1876), and its sequel, Adventures of Huckleberry Finn (1885), the latter often called “the Great American Novel.”
There is a version without his signature!
Digitally colourized in Photoshop by Sanna Dullaway – http://www.pastincolour.com
Original black & white photo from Library of Congress.