[3] Klassnik’s work has been exhibited nationally and internationally at venues including the ICA, Whitechapel Art Gallery, and the Paris Biennale.
[4] Notable projects of Klassnik’s include his collaboration Five Pheromones: The Incomplete Documentation with Forensic Psychiatrist Dr. Tom Clark.
[5] In 1971, Klassnik moved studios to Martello Street, London Fields, where he opened Matt’s Gallery, in 1979.
Now located at Webster Road,[clarification needed][4] Matt's Gallery has been described as ‘the most heroic art space in London’[6] and 'a little utopia'.
[7] The gallery represents twenty five artists, including Susan Hiller; Imogen Stidworthy, Nathaniel Mellors, Willie Doherty and Mike Nelson.