The building, the ground plan of which is a triangle with two curved sides and a 150-metre-long straight façade clad with ceramic tiles, was constructed between 1929 and 1930 and inaugurated on 22 January 1931 as the seat of the
Reichs-Rundfunk-Gesellschaft. The large, central broadcasting space was finished in 1933. On 22 March 1935 the first regular
television service in Germany
Fernsehsender Paul Nipkow was begun here, but moved to a separate building on nearby Theodor-Heuss-Platz in 1937. The Haus des Rundfunks also had an important influence on the development of
stereophonic sound and its adoption by radio broadcasting. Some radio programming continued during the war, notably the
Wunschkonzert für die Wehrmacht ("Request Concert for the Armed Forces"), broadcast from the Haus des Rundfunks on Sunday afternoons from 1939 to 1941. After
World War II, the Haus des Rundfunks became something of a
Cold War issue: although situated in the British Sector of
West Berlin, it was used by the
Berliner Rundfunk radio station, which was controlled by the
Soviet occupation forces, until the station moved to
East Berlin in 1952. The building was not handed over to the West Berlin mayor
Otto Suhr by the Soviet military command until 5 July 1956. After considerable renovation work, it was used from the end of 1957 as the home of
Sender Freies Berlins, which merged on 1 May 2003 with
Rundfunk Berlin-Brandenburg. ==The building==