Istanbul and Zurich operating architectural office 19:4 Architects’ foundation was laid by architect Arif Suyabatmaz who returned from Vienna to Istanbul in 1995. Arif Suyabatmaz, who founded Suyabatmaz Architects in 1995, partnered with Hakan Demirel in 2008 and they continued professional studies together under the name Suyabatmaz Demirel Architects. As of 2018, with Zurich office they coded their names into 19:4 Architects by using the initials and remain to produce various projects in different fields. 19:4 Architects sees each project as a research opportunity while questioning the conventional clichés and carry on their productions within this framework.