sentences:  He wrote about the impact of American culture on the GDR and published five collections of essays analyzing Americanization and anti-Americanism in Germany and in Europe after 1945.Stephan was a founder of the book series Exilstudien/Exile Studies, a member of the German PEN, and a recipient of grants from the Guggenheim Foundation, Humboldt Foundation, and numerous other institutions.His publications were discussed on German television, by CNN, and in papers such as The New York Times, The New York Review of Books, The Nation, and The Guardian.