This thesis presents a study of the Glasgow School of Art, based primarily upon study and analysis of the building's technology and spatial functionality, rather than of the visual attributes of the design. In so doing, the study analyses key factors relating to the School's origins, the means of its procurement and the likely contributions of parties other than Charles Rennie Mackintosh to the overall design process. A 3-dimensional drawn study is presented which was prepared as an analytical tool in the study of the building's technology. The drawings also provide a record of the spatial assemblage of the School, the contrasts of openness and enclosure, the changes of scale and the interpenetration of spaces which cannot be presented e...