Conceptual art is the artistic movement that began between 1966 and 1972. <span>Amongst its most famous artists at its early stage were artists such as Joseph Kosuth, Robert Morris, Joseph Beuys, Adrian Piper. </span> Conceptual artist produce works and writings that completely rejected standard ideas of art. According to them all art is essentially conceptual. Conceptual artists <span>reduce the material presence of the work to an absolute minimum - a tendency why some critics explain conceptual art as and attack of the economic of art and as the "dematerialization" of art.</span>
