Artist, writer. One of the Moscow conceptualism pioneers. Founded the «Collective actions», author of its actions since the 70’s. Shifts the accent from aesthetics to text and event. Objects with directions provoke viewers to act paradoxically. Photos, text, objects create sign systems in installations. Participant of the Venice Biennale (2011). Works are in the Tretyakov Gallery, Tate Modern, in the Pompidou Center.