答案:Mark Twain is the pen name of Samuel Langhorne Clemens, an American novelist and humorist. Local color is the most outstanding feature of his novels, showing a regional language feature, custom and lifestyle. And his colloquial style of prose has become the origin of American literary tradition of colloquialism. Sherwood Anderson, Hemingway, Eliot, Faulkner, and Salinger were influenced by him to varying degrees. William Faulkner called him “the father of American literature.” His first novel The Gilded Age was an artistic failure, but it gave its name to the American of the post-bellum period. The Adventures of Huckleberry Finn was his masterwork. Hemingway described it as the book from which “all modern American literature comes”. His major works include The Celebrated Jumping Frog of Calaveras County 1865), The Innocents Abroad 1869), Life on the Mississippi 1883), A Connecticut Yankee in King Arthur’s Court 1889) and so on.