F. s. fitzgerald belonged to the generation.

The correct answer is: F. Scott Fitzgerald belonged to the Lost Generation. This term was popularized by an American writer Ernest Hemingway, who used it to describe characters in his novel The Sun Also Rises. The Lost Generation is a generation of people who aged during the World War I. Hemingway explained that this term was coined by Gertrude Stein. Some of the writers who also belonged to The Lost Generation are:  T. S. Eliot, James Joyce, Sherwood Anderson, John Dos Passos, John Steinbeck,William Faulkner, Aldous Huxley, Franz Kafka, Henry Miller, Louis-Ferdinand Céline, etc.