Samuel Langhorne Clemens (November 30, 1835 April 21, 1910), better known by his pen name 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."
He achieved great success as a writer and public speaker. His wit and satire earned praise from critics and peers, and he was a friend to presidents, artists, industrialists, and European royalty.
He lacked financial acumen, and, though he made a great deal of money from his writings and lectures, he squandered it on various ventures, in particular the Paige Compositor, and was forced to declare bankruptcy. With the help of Henry Huttleston Rogers he eventually overcame his financial troubles. Twain worked hard to ensure that all of his creditors were paid in full, even though his bankruptcy had relieved him of the legal responsibility.