Paul Gratzik
Paul Gratzik (30 November 1935 – 18 June 2018) was a German dramatist and novelist. He came to wider public attention in 2011 as the subject of the documentary film ''Vaterlandsverräter'' (English translation: Enemy of the State) by Annekatrin Hendel about his past as a Stasi informer. Provided by Wikipedia-
1