This theory based lecture course will address a broad range of methodologies that have driven diverse range of architectural and design theory from the later 19th century through the 21st century. In particular, this seminar will closely consider the role of light within the context of these influential theories and related discourses. Students will read a variety of history and theory texts from differing disciplines in order to properly situate a perspective of light within society and the historical evolution of the lighting design profession as well as cognate disciplines and the built environment. The development of electric lighting produced an extraordinary change in social practice and its global effect on economics, leisure activity, and design are studied and serve as a basis for students to speculate on future technologies and possibilities.