The Oz Three - from our story '‘Pathetic, unjustifiable, appalling pornography’ – Fifty Years of Oh! Calcutta!'

11th July 1971: Left to right, James Anderson (holding a whip), Felix Dennis and Richard Neville, the editors of the underground magazine Oz. Each achieved notoriety after being convicted under the Obscene Publications Act; these convictions were quashed on the subsequent appeal. (Photo by Evening Standard/Getty Images)