Mark Twain was born 1835 as Samuel Langhorne Clemens, American author, a humorist, narrator, and social observer. Mark Twain started his career off as an apprentice and began writing for his brother’s newspaper. Twain also was a Mississippi River pilot but because of the Civil War it ended river traffic. He eventually began writing for the Virginia City Examiner and later was a newspaperman in San Francisco. Mark Twain was unmatched in American literature because of his novels like “The Adventures of Huckleberry Finn”. Mark Twain impacted American Literature through his stunning success of humor, brilliant description of characters and vivid details of oppression to man.