Between the barrier and the sieve: finding the border in the Modern Movement

This is the text of the opening paper presented to the Fourth International Conference of DoCoMoMo International (Documentation and Conservation of Modern Movement Architecture) in Bratislava, Slovakia in September 1996. An earlier version was published in H. Lethen, Verhaltenslehren der Kalte: Ledensversuche zwischen den Kreigen (Frankfurt am Main, Suhrkamp, 1994).