Samuel Langhorne Clemens, better known by his pen name Mark Twain, was an American writer, humorist, entrepreneur, publisher, and lecturer. Born on November 30, 1835, in Florida, Missouri, Twain grew up in Hannibal, a setting that would later provide the backdrop for some of his most iconic works. He is most celebrated for his rich portrayal of American life through characters such as Tom Sawyer a...