found: His The last day of creation, 1984:CIP t.p. (Wolfgang Jeschke) pub. info. (editorial director, Wilhelm Heyne Verlag, Munich, W. Germany)
found: Internet speculative fiction database, 6 March 2018(Wolfgang Jeschke; born 19 November 1936 in Tetschen (Děčín), Bohemia, Czechoslovakia; died 10 June 2015)
found: Wikipedia, 6 March 2018(Wolfgang Jeschke; born 19 November 1936 in Děčín, Czechoslovakia; died 10 June 2015; after the expulsion of the Germans after World War II, he grew up in Asperg near Ludwigsburg; German science fiction author and editor at Heyne Verlag)