 Selected examples of buildings from this era are the Anadolu Club Hotel (1951–1957) in Büyükada designed by Turgut Cansever and Abdurrahman Hancı; Hilton Istanbul Bosphorus (1952–1955) designed by Skidmore, Owings & Merrill and Sedad Hakkı Eldem; Istanbul Municipality Headquarters (1953–1960) designed by Nevzat Erol; Emek Business Center (1959–1965) in Ankara designed by Enver Tokay and İlhan Tayman; and Tekel Headquarters (1958–1960) in Istanbul designed by Yılmaz Sanlı and İlhan Tayman.One of the most important developments of this period was the establishment of the "Chamber of Architects of Turkey" in 1954.Various professional organizations for architects had existed beforehand, but there were no laws for the architectural profession until 1954.