Mark Twain (1835-1910), born Samuel Langhorne Clemens, was an American author, humorist, and lecturer widely regarded as one of the greatest writers in U.S. history. Celebrated for his wit, keen social insight, and vivid storytelling, Twain captured the spirit and contradictions of American life in the 19th century. His most famous works include The Adventures of Tom Sawyer and Adventures of Huckleberry Finn, the latter often hailed as the "Great American Novel." Twain's writing combined satire, realism, and regional dialect, making him a pioneering figure in American literature. His legacy continues to influence writers and entertain readers around the world