Imagine -- Konrad von Cölln, and true love -- Colin Albany and the players -- Frederick the Great, and the making of Prussia -- Karl Friedrich Schinkel, and the dream of a capital -- Lilli Neuss, and the owl -- Walther Rathenau, and lost beauty -- Else Hirsch, and the illusion -- Margarete Böhme, and 'Diary of a lost girl' -- Fritz Haber, and the geography of evil -- Käthe Kollwitz, mother and child -- Christopher Isherwood, in a city of the imagination -- Bertolt Brecht, luck and the epic -- Marlene Dietrich, on becoming -- Leni Riefenstahl, and the fatal flaw -- Albert Speer, and Germania -- Joseph Goebbels, the man who made Hitler -- Dieter Werner, Wall builder -- Bill Harvey, and the tunnel -- John F. Kennedy, and politics as theatre -- David Bowie, and 'Heroes' -- Lieu Van Ha, and the gun -- People, let's dance -- Ilse Philips, in another Berlin -- Imagine Berlin.