Dieter-Julius CronenbergDieter Julius Cronenberg was a German politician of the Free Democratic Party and former member of the German Bundestag.BiographyFrom 1976 to 1994, Cronenberg was a member of the German Bundestag. From 1979 to 1985 he was deputy chairman of the FDP parliamentary group in the Bundestag. In December 1984, he was elected vice president of the German Bundestag to succeed Richard Wurbs and remained so for over ten years until he left the Bundestag in 1994.