• Journal of architectural history
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• v.25 no.1
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• pp.69-83
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• 2016

Classic rationalist architecture came to play an important role in modern architectural discourse in the 1970s. But it has declined since the death of its most representative architects Aldo Rossi and O. M. Ungers. However, the phenomenon to be noted is that a new momentum was brought to the German architectural scene through some remarkable achievements by the disciples of Ungers after 2000. This study aims to read this phenomenon on the topography of german architecture and to catch out what potential it has to create balance in the international architectural debate. It is not the aim to analyze a single architect in detail, but to compare some important architects like Hans Kollhoff, Max Dudler, Eun-Young Yi and Uwe $Schr{\ddot{o}}der$. And further the study will try to give an overview of how far this phenomenon can change the topography of the German architectural scene. The buildings that have been examined here are Daimler Chrysler Building, Grimm Zentrum, Stuttgart City Library, and Haus Hundertacht. Through this study, it was found that some architects continue the attitude and the architectural languages of O. M. Ungers and develope their own unique architecture. And this phenomenon has the potential to influence todays architectural debate on a global scale.

• Journal of the Architectural Institute of Korea Planning & Design
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• v.34 no.9
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• pp.97-106
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• 2018

Oswald Mathias Ungers and Colin Rowe are likely to be classified as Neo-rationalists, Typologists, and Contextualists with Aldo Rossi and Krier brothers. In urban theory, Ungers and Rowe opposed modern urbanism and also rejected the methodology of mat-building and megastructure. Teaching at Cornell, Rowe suggested Collage City purposing the concept of Bricollage while Ungers advanced City in the City and Dialectic City. Their theories look similar, however, in detail, they strongly differ in interpretation from the context, plurality, and layer as well as the view of contemporary society and urbanism. Rowe, whose nostalgic approach adhered to Nolli's Rome, had a tendency toward formalist however, Ungers was a realist who was interested in the new type of modern city. The main objective of this study is to analyze the commonalities and differences between theses two urban theories carefully, to trace the causes of the differences in perspectives, and thereby to consider their impact on the present.

• Journal of the Architectural Institute of Korea Planning & Design
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• v.34 no.7
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• pp.89-98
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• 2018

Koolhaas' perspective on urbanism differs from the modern urbanism and typological urbanism. The Melun-Senart masterplan, La $D{\acute{e}}fense$ masterplan shows unique characteristic different from that of conventional urbanism. The roots of this creative approach can be found in the traits of his research with O.M. Ungers back in the 1970s. Koolhaas and Ungers have collaborated intimately from 1972 to 1977 to work on urban projects. This collaboration reaches its cilmax in their project City in the City, where many of Koolhaas' core concepts such as archipelago, void/solid, plurality, infrastructure, congestion, and social condenser are introduced. This thesis will explore the development of these concepts in their collaboration and shed new light on how this period has made a transition into Koolhaas' perspective on urbanism and architecture as well as his works. The purpose of this study is to investigate these core concepts of Koolhaas in City in the City, and to find the development and the meaning of these concepts in his projects.