His practice employed as many as forty people, among them, as a trainee, Julius Posener, later an architectural historian. Mendelsohn's work encapsulated the consumerism of the Weimar Republic, most particularly in his shops: most famously the Schocken Department Stores. Nonetheless he was also interested in the socialist experiments being made in the USSR, where he designed the Red Banner Textile Factory in 1926 (together with the senior architect of this project, Hyppolit Pretreaus). His Mossehaus newspaper offices and Universum cinema were also highly influential on art deco and Streamline Moderne.