Jeff Keen was an experimental film-maker, poet and performance artist. Works such as ‘Marvo Movie’ (1967), ‘Rayday Film’ (1968-75) and ‘Mad Love’ (1972-78) revolutionised the practice of multimedia art in Britain. Keen, who also participated in the 1966 Destruction in Art Symposium organised by Gustav Metzger, passed away in 2012.