Stephen Koch. He was born in 1941, and is currently a professor at the Columbia University School of Arts and lives in New York City. He has published numerous novels, including Night Watch and Bachelor's Bride; as well as essays with a marked narrative accent, among which stand out Andy Warhol Superstar and The End of Innocence, a pioneering study in the description of the cultural influence of Stalinism on the intellectual life of the West and focused on the figure of the mysterious Soviet propagandist Willi Münzanberg.