Mark Twain was a famous 19th century American author, humorist, and satirist best known for his novels The Adventures of Tom Sawyer and Adventures of Huckleberry Finn. He had a difficult childhood growing up in Hannibal, Missouri after his father died, which influenced many of his works. Throughout his life, Twain experienced both financial success and ruin, traveling the world for lectures yet also declaring bankruptcy due to bad investments, showing the trials he endured.