sentences:  He took pictures of himself and his friends, and also regularly used it to compose his drawings.He became friends with Paul Gauguin, and shared a studio with him for a time when Gauguin returned from Tahiti in the summer of 1893 In late autumn 1894 he also became friends with the playwright August Strindberg, with whom he had a common interest in philosophy and mysticism.His magazine illustrations led to book illustration; he was commissioned to provide illustrations for "Scenes and Episodes of German History" by historian Charles Seignobos.