Creter joined the GDR CDU in 1972, where he was local chairman, later deputy district chairman and from 1989 on district chairman in the city of Gera. In 1990, he was elected to the last Volkskammer, after which he was a member of the Bundestag for three months.
Literature
Herbst, Ludolf; Jahn, Bruno (2002). Vierhaus, Rudolf (ed.). Biographisches Handbuch der Mitglieder des Deutschen Bundestages. 1949–2002 [Biographical Handbook of the Members of the German Bundestag. 1949–2002] (in German). München: De Gruyter - De Gruyter Saur. p. 1715. ISBN978-3-11-184511-1.