Otto Muehl was a main participant in what short and violent 20th-century art movement?
Otto Muehl Otto Muehl (16 June 1925 – 26 May 2013) was an Austrian artist, who was known as one of the co-founders as well as a main participant of Viennese Actionism and for founding the Friedrichshof Commune.
New Secession The New Secession (German: "Neue Secession" ) was an association of expressionist artists organizing joint exhibitions in Berlin 1910–1914.