What are some of the traditional realist writers of German literature?

In the twentieth century, the first outstanding achievement in German literature was the traditional realist literature, with the exception of Thomas Mann, who wrote The Budenbrooks (1901), and Hesse (1877-1962), who wrote Under the Wheel (1906), and the works of Henrich Mann (1871-1950), who wrote The Burgundians (1901). ). At the beginning of the 20th century, Henrich Mann wrote the novels In Slackerland (1900, also known as A Novel of the Upper Class), The Junk Professor (1905), Small Town (1909), and The Servant (1911-1914). His novels criticize capitalist society, expose Germany's reactionary education system and hypocritical and corrupt intellectuals, and demonstrate the powerful clash between democratic and reactionary forces. The Servant, together with the later novels The Poor (1917) and The Head (1925), form the Imperial Trilogy. In the 1930s, he also wrote the historical novel Henry IV (1935-1938), etc. He wrote 19 full-length books in his life, including The Poor (1917), The Head (1925), and The Imperial Trilogy. During his lifetime, he wrote 19 full-length books, 55 short and medium-length books, 11 plays, and a large number of essays and political treatises.