Charles Dickens (February 7, 1812 to June 9, 1870) was a British novelist, journalist, editor, illustrator and social commentator who wrote such beloved classic novels as Oliver Twist, A Christmas Carol, Nicholas Nickleby, David Copperfield, A Tale of Two Cities and Great Expectations. Samuel L. Clemens wrote under the pen name Mark Twain (Novembro, 1835 to April, 1910) and went on to author several novels, including two major classics of American literature: The Adventures of Tom Sawyer and Adventures of Huckleberry Finn.