Four-Power Authorities of Germany. Both were in West Berlin, Germany, and existed during the Cold War from 1948 to 1989. These were the Berlin Air Safety Center and Spandau Prison (which was demolished in 1987 when Rudolf Hess, the sole remaining prisoner, died). These two organizations were uniquely four-powered in that American, British, French, and Soviet authorities cooperated in their management. This was a far cry from the intensely adversarial relations the allies had with the Warsaw Pact leader in almost every other aspect of world affairs during this time. Both organizations remained low-profile and secretive during their existences to avoid highlighting
Britannia Centre Spandau next to the former Smuts Barracks in the Wilhelmstadt in Spandau. On 1 August 1946, the "Summit House" on Theodor-Heuss-Platz was formally opened as a NAAFI Club and was adapted to the changing needs over the years. In 1977 a study recommended the construction of a new facility. At the same time the future of Spandau Prison was put to diplomatic negotiations. In 1982 a Four Power Agreement was reached, which included a statement from the Governing Mayor of Berlin, Richard von Weizsäcker, that Spandau Prison should be demolished as quickly as possible after the death of its lone inmate