I reluctantly contradict the young man, but I did not say: it must happen this way. Fortress, the first volume of the three-part book Fortress published in 1993, whose other volumes are the materials from 1989 and the reports Kronos, takes place in the theater and is communication. Three pieces: Critique in Fortress. Institute for Social Research. The abstract family piece examines, through the mask and the role of language, the function of latency. Fortress, Frankfurt version. The Wannsee Conference piece Fortress deals with today's discussions about the German resolution for the extermination of the Jews. Voices and faces, people, the dead, November 9, 1989, Wannsee villa. Cataract. In the mediating Hegel piece Cataract, an old man talks about his life. Do you hear that? Wait, now. Did you hear that? Fascinating: when one otherwise does not move, one can even hear the opening and closing of A.