HHK Schoenherr (Hans Helmut Klaus Schoenherr, 1936 - 2014), Swiss artist. He was born in 1936 in Nordhausen (Harz, Germany), which would later be part of the GDR. He spent his childhood in Hamburg and the Schleswig-Holstein region. Between 1956 and 1961, he studied fine arts in Hamburg. In 1967, he participated in the experimental film festival of Knokke (Belgium). Initiator and co-founder of the first European meetings of independent filmmakers in Munich in 1968. One of the inventors of the diagrams of frames (scores that direct the rhythmic shooting of the films). Independent filmmaker and producer of experimental films since 1966.