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
Spandau (locality) a centre of the arms industry in the German Empire. It was also a garrison town with numerous barracks, home of the 5th Guards Infantry Brigade and the 5th Foot Guards of the German Army. In 1920, the independent city of Spandau (whose name had been changed from "Spandow" in 1878) was incorporated into Greater Berlin as a borough. After World War II until 1990, when Berlin was divided into four sections administered by the victorious Allies, Spandau was part of the British Occupation Sector in West Berlin. The Spandau Prison, built in 1876, was used to house Nazi war