Please answer the following question: Walter Hasenclever (8 July 1890 22 June 1940) was a German Expressionist poet and playwright. His works were banned when the Nazis came to power and he went into exile in France; however there he was imprisoned as a foreign enemy. He died in Les Milles (Camp des Milles) near Aix-en-Provence. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Artist