Major: Architecture (Doctorate) Title of Thesis: Construction of Time Conception in Architectural Realm,

The main idea aimed in this dissertation is to deconstruct the transposition process of the concept of time from a term of art history into that of architecture. Thesis begins with the transforming effects of the art historical space conceptions in the 19th century German architectural theories on the formation of 20th century modern architectural space conception as “Space-time. ” Space-time is termed by the avant-gardist architectural historian-critic Sigfried Giedion in the beginning of the first quarter of the twentieth century to characterize the morphological and structural forms of the new modes of spatial experience, temporal consciousness and self-evidency as the new characteristics of architectural Modernity. Apart from the Swiss art history tradition he has been trained, Giedion undertakes a leading role and owing to his historian background, constitutes a model both in establishment of historiography of modern architecture and in shaping the role of an architectural historian. Within the framework of his dual programmatic roles of Avant-gardist architectural historian and of mediator historian, suggesting the unification of architecture and life, Giedion renders architecture as the origin an