Mary Griffiths obituary

My mother, Mary Griffiths, who has died aged 87, was the determined and dedicated administrator of the 56 Group Wales, a collective of Welsh avant garde artists. For 27 years she worked with Arthur Giardelli and David Tinker, to form the group’s long-term driving force. “I know we still exist largely due to your efforts,” Giardelli wrote to her in 1971. They exhibited extensively both inside and outside Wales, notably in the Netherlands, France, West Germany, Italy and Czechosl