Since the time of Fitzgerald and Hemingway, there have been bold changes in American fiction-as shown by the collage of styles on the,page opposite. We have seen new influences in the Southern novel and the Jewish novel, the Academic novel, even the nonfiction novel. Here four scholars discuss the American writers-from Saul Bellow to Kurt Vonnegut, Jr.-who have gained prominence since World War 11. Earl Rovit describes what these writers have in common. Jerome Klinkowitz ex- plores their uses...