Otto Mueller was born on 16 October 1874 in Liebau in the province of Silesia as the son of a lieutenant. The German painter and lithographer is one of the most important representatives of Expressionism. The central element in Mueller's work is the representation of the act, which represents the unity of man and nature. Mueller died on September 24, 1930 in Obernigk in Silesia.
From 1890 to 1894, at the request of his father, Mueller first studied lithography before he began his studies at the Academy of Fine Arts in Dresden. In 1898 he received an apprenticeship at the Royal Academy of Fine Arts in Munich, which, however, he can not complete due to the withdrawal of the permit. After moving to Berlin in 1908, he came into contact with his sculptures by acquaintance with Wilhelm Lehmbruck and was inspired to create his slender girl shapes and the use of glue colors. After the Berlin Secessionists denied him admission to their group of artists, he founded the group "Neue Secession" together with other rejected artists in 1910. By the way, Mueller is also active in the "Brücke-Gruppe", but with a similar style, a more subdued color than the bridge painters. In 1915 he had to enter the war and in 1917 a life-threatening pulmonary inflammation developed. From 1919 he became professor at the State Academy of Arts and Crafts in Breslau. In rejection of bourgeois adaptation, Mueller is active in the artist group "Breslauer Künstlerbohème". After traveling to Spalato and Sarajevo and visiting gypsy groups, Mueller achieved the climax of his artistic career with the creation of nine-color lithographs ("gypsy" After his death in 1930, his works are shown posthumously at the documenta I (1955) in Kassel.