 Complete the following phrase:  Heinze was a member of the Higher Education Commission of Saxony from 1991 to 1993, participating in the reorganisation of Saxonys universities after the Peaceful Revolution of 1989. He became a member of the art commission of the city of Dresden in 1995. In 1997 Heinze retired as professor at Dresden Academy of Fine Arts and moved from Dresden to Kreischa a year later. Until 2012 Heinze worked on his sculpture Chor der Überlebenden Choir of Survivors for Stiftung Frauenkirche Dresden. The 2.77 m statue depicting seven figures was installed at Coventry Cathedral in May 2012 as a sign of reconciliation. Heinze was working on a design for a memorial for the victims of the 