Citation:
Mark Twain, born Samuel Langhorne Clemens, was an influential American author and humorist known for his sharp wit and social commentary. He is often regarded as the father of American literature and is celebrated for his novels such as 'The Adventures of Tom Sawyer' and 'Adventures of Huckleberry Finn,' which address themes of race, identity, and societal norms. His work also critiques the consequences of American imperialism and expansionism during the late 19th century.