 Together with Ernst Rowohlt he began to work in publishing in Leipzig in 1908.He was the first to promote and publish the authors Franz Kafka and Franz Werfel, but declined to publish the works of Axel Munthe.Wolff's close contact to other writers in Prague and the support for unknown, but talented writers, helped him develop Kafka's friends, Max Brod and Felix Weltsch who were more well known in Berlin and Germany.