David Lamelas: time zones

The conceptual art pioneer David Lamelas has used sculpture, photography, film and live performance to explore space and time since the 1960s. He attracted widespread attention in 1968 when, aged just 21, he represented Argentina at the Venice Biennale, making the work Office of Information About the Vietnam War at Three Levels, which used a desk, a chair and a telex that received constant updates on the Vietnam war, relayed live by a news reader. He then studied at St Martins School of Art in