Biography Немецкий художник. Date of birth/death19 September 1934 – 20 August 1983Other namesGraevenitz GerhardPlace of Birth—GND118541315VIAF19949788Groups—KeywordsGermany, Graphic art, Kinetic art, Objects, Op artRelated events1968documenta 4, Kassel / ArtistRelated library entries/ 4 entries LibraryСобрание Ленца Шёнберг / Sammlung Lenz Schoenberg1989LibraryForce Fields: Phases of the Kinetic2000Library4. documenta. Katalog 11968LibraryAspects historiques du constructivisme et de l'art concret1977