Mark Twain, born Samuel Langhorne Clemens Nov. 30, 1835 in the small town of Florida, MO, and raised in Hannibal, became one of the greatest American authors of all time. Known for his sharp wit and pithy commentary on society, politics, and the human condition, his many essays and novels, including the American classic,The Adventures of Huckleberry Finn, are a testament to his intelligence and insight.