Asger Jorn. Asger Oluf Jorn (3 March 1914 – 1 May 1973) was a Danish painter, sculptor, ceramic artist, and author. He was a founding member of the avant-garde movement COBRA and the Situationist International. He was born in Vejrum, in the northwest corner of Jutland, Denmark, and baptized Asger Oluf Jørgensen.