the New York Happenings. In 1962, when he was 37, the first "Aktion" "Die Blutorgel" was performed in Muehl's atelier on Perinetgasse by Muehl himself,...

Two Piece 1962–65 Otto Muehl and followers of Viennese Actionism – Die Blutorgel (performance art) William Roberts – The Vorticists at the Restaurant...