Born 1932 in Copenhagen. Studied at the Royal Danish Music Conservatory in Copenhagen. Musician and composer.
1962 and 1964 participation at FLUXUS events in Copenhagen and Aachen. Compositions, actions, sculptures, drawings, texts. Often collaborated with other artists and musicians. 1965-85 frequent collaborations as a performer with Joseph Beuys. Selected exhibitions/actions: 1980 the “große grüne Zeltsymphonie” – great green tent symphony (with birds), 10 Tage vor dem Opernhaus in Düsseldorf (10 days in front of the Düsseldorf Opera House). 1985 “Friedensbiennale” (Biennale of Peace) at the Hochschule für bildende Künste HfbK (Academy of Visual Arts), Hamburg. Since 1985 guest professor at the HfbK, Hamburg.
Henning Christiansen lives on the island Møn in Denmark.