Paul Bonatz's name is mostly associated with the Stuttgart Central Station in Germany. In Turkey, however, the same name is cited alongside the architecture debates of the 1940s, the Saraçoğlu Neighborhood in Ankara, and the architectural education at Istanbul Technical University's Taşkışla building. Settling in Turkey in 1943, the German architect became a decisive figure during the Second National Architecture period, serving both on project competition juries and teaching project courses at ITU.

The Historical Dictionary of Switzerland attributes Bonatz's international importance to two identities: leading the "Stuttgart School" on one hand, and being one of the masters of modern Turkish architecture on the other. Who is Paul Bonatz, which architectural period does he belong to, and what mark did he leave on Istanbul's architectural history? The answer to these questions lies in a story stretching from a train station to the transformation of a 19th-century military barracks into a school of architecture.

Who is Paul Bonatz? A Mimar Coming from the Stuttgart School

Paul Bonatz was born on December 6, 1877, in Solgne, near Metz. In 1896, he began studying mechanical engineering at the Technical University of Munich, switching to architecture a year later. After his studies, he worked with Theodor Fischer at the Munich City Planning Department. In 1902, he joined the Stuttgart Technical University as Fischer's assistant.When Fischer was appointed to Munich in 1908, Bonatz took over the chair in Stuttgart and held this position until 1943. In the same year, he established the "Bonatz & Scholer" office with Friedrich Eugen Scholer. The Hanover City Hall (1911–1914) and the Stuttgart Central Station are products of this partnership. Alongside Paul Schmitthenner, he is cited as one of the founders of the "Stuttgart School," which was considered among Germany's most progressive architecture schools around 1930.During the National Socialist period, he worked on motorway structures and architect-engineer education. Sources characterize his relationship with the regime as ambivalent. He moved to Turkey in 1943, returned to Stuttgart in the mid-1950s, and passed away there on December 20, 1956. In 1952, he was awarded the Pour le Mérite order for sciences and arts. He recounted his architectural philosophy and life in his book Leben und Bauen (Living and Building), published in 1950.

A German Architect in the Second National Architecture Period

Bonatz's connection with Turkey long predates the 1940s. He first came to the country in 1916 on the occasion of the project competition for the Turkish-German House of Friendship planned in Istanbul. The foundation of this building was laid in Sultanahmet in 1917, but it was never completed. The architect visited Istanbul again during an Eastern European trip in 1927, and in 1942, he served on the jury for the Anıtkabir project competition.He returned in 1943 as the curator of the German Architecture Exhibition opened in Ankara and Istanbul. In the same year, he was appointed as a consultant to the construction bureau of the Ministry of National Education's Technical and Vocational Education Undersecretariat. After this date, he resided permanently in Turkey.

What Kind of Debate Was Turkish Architecture Engaged in During the 1940s?

In the 1930s, an international, rational, and functionalist modern architectural approach predominated in Turkey. As a reaction to this in the 1940s, the Second National Architecture period took shape under the leadership of local architects. A return to local architectural sources in monumental public buildings was the core search of this period.Academic assessments point to the 1943 exhibition curated by Bonatz and the book New German Architecture, translated into Turkish in 1942, as the groundwork for this line of thought. During this period, besides Anıtkabir, Bonatz served on the juries for the Çanakkale Monument, Istanbul Radio House, and Istanbul Palace of Justice competitions. In 1948, he attended the International Union of Architects (UIA) general assembly in Lausanne together with the Turkish delegation. Architectural historians view these jury memberships as a clear indication of the trust and importance placed in German architects at the time.

Paul Bonatz's Architectural Language: Monumentality, Local Materials, and Tradition

Bonatz's architecture stands on a line that does not reject the simplicity of modernism, yet does not detach itself from historical and local sources. The refined monumentality seen in his large-scale structures, such as the Hanover City Hall and Stuttgart Central Station, continued in the bridges he designed in the 1930s. In the 1920s, he was responsible for the design of ten dam structures on the Neckar River, using different building materials in each to reflect the geology of the region.

He maintained the same attitude in Turkey. Bonatz did not exclude the principle of contemporaneity in monumental architecture, but argued that national resources should be adapted to the architecture of the day. This approach is read most clearly in the Saraçoğlu Civil Servants' Housing in Ankara. Here, the architect reinterpreted the facade characteristics of the traditional Turkish house by adapting them to contemporary residential design.

In the post-war period, this language gradually transformed. The Turkish Sugar Factories Headquarters building in Ankara approaches the modernist office block typology of the 1950s with its simple facade. The stone cladding on the facade, however, continues to carry the local emphasis of the 1940s. According to an evaluation by the Goethe-Institut Ankara, this structure is an example of Bonatz's effort to adapt to the mindset of the post-war era.

Paul Bonatz's Works: Notable Structures from Stuttgart to Ankara

Stuttgart Central Station (1914–1928)

Bonatz's most renowned work is the Stuttgart Central Station, which he won in the 1911 competition alongside Scholer with their proposal titled "Umbilicus Sueviae" (The Navel of Swabia). Construction began in 1914 and was prolonged until 1928 due to war and inflation. Instead of a single wide-span platform hall like those in Frankfurt or Leipzig, the architects preferred to cover each platform separately. At its opening, some critics viewed the building as a mix of castle and cathedral romanticism. The Historical Dictionary of Switzerland, however, evaluates the same structure as a sleek work that positioned Bonatz among the pioneers of modern building design.

Saraçoğlu Neighborhood, Ankara (1944–1946)

One of Bonatz's largest-scale works in Turkey is the Saraçoğlu Neighborhood, consisting of over four hundred residences designed for civil servants in Ankara. The neighborhood represents the urban-scale counterpart of the residential language the architect built upon the traditional Turkish house.

Ankara State Opera House (1946–1948)

Bonatz converted the Ankara Exhibition Hall, designed by Şevki Balmumcu in the mid-1930s, into an opera and theater building. Thus, one of the modernist exhibition structures of the early Republic was transformed into the capital's opera stage by the late 1940s.In addition to these, he designed the Male Technical Teachers' Training School within the Gazi Education Institute and the Turkish Sugar Factories Headquarters building in Ankara. He participated solely as a consultant for the Faculty of Science building in Ankara.

Traces of Paul Bonatz in Istanbul Architecture

Bonatz's influence in Istanbul is read through a school, a restoration, and a generation of architects rather than a structure rising on the city's skyline.

Taşkışla: From a Barracks to a Faculty of Architecture

Taşkışla was built between 1846 and 1852 by the British architect William James Smith in the Neo-Renaissance style. In 1860, it was converted into a military barracks tasked with protecting Dolmabahçe Palace. When the structure was allocated to Istanbul Technical University in 1944, Paul Bonatz and Emin Onat worked together on the renovation efforts that transformed it into a school of architecture.As emphasized in ITU's Taşkışla Seminars, the building has undergone three major intervention processes since its allocation to the university. Bonatz and Onat's work in the 1940s is the first link in this process. This was followed by interventions from Nezih Eldem's team in the 1970s and Türkan Ulusu Uraz and her team in the 2000s. Today, the ITU Faculty of Architecture still delivers education at Taşkışla.

A Project Instructor at ITU

In 1946, Bonatz was appointed to a chair at Istanbul Technical University and taught architectural project courses until he returned to Stuttgart. Photographs in the SALT Research archives show him at ITU Gümüşsuyu giving corrections on student projects alongside Emin Halid Onat, Clemens Holzmeister, and Friedrich Hess. Architectural historians consider Bonatz's professorship at ITU significant in terms of the direction of the national architecture mindset of the period and the training of local architects.

Istanbul Competitions and the City Hall Debate

Bonatz served as a jury member in two important public building competitions in Istanbul during the 1940s: the Istanbul Radio House and the Istanbul Palace of Justice competitions. A document in the Harika-Kemali Söylemezoğlu Archive states that in the 1940s, the design of Istanbul's new city hall was initially given directly to Bonatz. Upon the objection of Henri Prost, who prepared the master plan of the city, it was decided to hold a competition for this project. The same archive contains city hall studies, drawings, and model photographs signed by Prost, Bonatz, and Kemali Söylemezoğlu. Bonatz's handwritten notes and proposals on a Bosphorus bridge are also preserved in this archive.

Kemali Söylemezoğlu and the Stuttgart–Istanbul Line

An important figure for tracing Bonatz's influence in Istanbul is Kemali Söylemezoğlu. After studying at the Academy of Fine Arts, Söylemezoğlu studied at the Stuttgart Technical University and subsequently worked for a year at his professor Bonatz's office in Stuttgart. In the competitions he entered during the 1940s, he produced projects carrying the traces of his education in Stuttgart and the nationalist tendencies of the era. The invitation card for the commemoration day held at ITU on December 20, 1957—one year after Bonatz's death—was also prepared by Söylemezoğlu.

Looking Back: The Architectural Legacy of Paul Bonatz

Bonatz's legacy lives on in two cities, in two distinct ways. In Stuttgart, his name is remembered through the central station and the Paul Bonatz Architecture Award, established by the city in his memory in 1958–1959. In Turkey, it lives on in the residential and public structures of Ankara, and in Istanbul through Taşkışla and the architects he raised.Bonatz's years in Turkey remain a active field of research for architectural historians today. A doctoral dissertation completed at ITU in 2017 titled Paul Bonatz's Turkey Years draws on four different archives, primarily SALT Research. The dissertation interprets Bonatz as a power figure who reinforced his position within the discourse of "national architecture" in numerous ways. This critical view suggests viewing the architect's role in Turkey not merely as a professor or designer, but as an actor at the center of the period's architectural debates.The most tangible way to feel Bonatz's presence in Istanbul is through Taşkışla. The story of the German architect who played a role in converting a 19th-century military barracks into the Republic's school of architecture has remained in the city's architectural memory as an educational tradition rather than a mere building.

Frequently Asked Questions

Who is Paul Bonatz?

Paul Bonatz is a German architect and educator associated with the "Stuttgart School." He settled in Turkey in 1943 and worked as a consultant, jury member, and architectural project instructor at ITU during the Second National Architecture period.

In which era did Paul Bonatz live?

He was born on December 6, 1877, and passed away in Stuttgart on December 20, 1956. The years he spent residing in Turkey extend from 1943 to the mid-1950s.

What is Paul Bonatz's most famous work?

His best-known work is the Stuttgart Central Station, designed with Friedrich Eugen Scholer and built between 1914 and 1928.

What are Paul Bonatz's traces in Istanbul?

Together with Emin Onat, he took part in the renovation works of Taşkışla following its allocation to ITU, and taught architectural project courses at ITU starting in 1946. He served on the jury for the Istanbul Radio House and Istanbul Palace of Justice competitions.

What are Paul Bonatz's buildings in Ankara?

His main works in Ankara include the Saraçoğlu Neighborhood (1944–1946), the Ankara State Opera House converted from Şevki Balmumcu's Exhibition Hall (1946–1948), the Male Technical Teachers' Training School, and the Turkish Sugar Factories Headquarters building.

Which architectural movement is Paul Bonatz associated with?

He is associated with the "Stuttgart School" in Germany and the Second National Architecture movement of the 1940s in Turkey. He advocated adapting national resources into contemporary architecture.

#PaulBonatz #WhoIsPaulBonatz #PaulBonatzWorks #StuttgartCentralStation #Taşkışla #ITUFacultyOfArchitecture #SecondNationalArchitecture #SaraçoğluNeighborhood #RepublicanEraArchitecture #IstanbulArchitecturalHistory