An art movement between 1961 and 1973 of five international exhibitions held in Zagreb, Yugoslavia, it expressed "the phenomenon of the avant-garde post World War II art scene when positive feelings were emerging about science, the wonders of modern architecture and general feelings that technology and industrialization could create good living for many persons in western civilization. New Tendencies is described as the "last international art movement whose representatives still had hopes for the possibility of social and political change in the contemporary world.??? Descriptive terms of style and methods include Neo-Constructivism, Neo-Concretist optical, programmed, kinetic, lumino-kinetic, and computer art. Around 1968, the movement began to die out because of disillusion with societal realities. Ivan Picelja of Zagreb was one of the artists. Source: ???Impossible Histories???, by Dubravka Djuirc and Misko Suvakovic.