Abstract In the industrialized West, the design of the interior has been conceptualized as a domestic and amateur phenomenon, and the domestic interior has been conceptualized as a feminine realm. This introductory article aims to overcome the tendency to conflate the interior, the domestic, the amateur and the feminine in three ways. Firstly, it engages with a broad definition of the interior, encompassing professional and amateur spaces in both domestic and extra-domestic contexts. Secondly, it examines processes of professionalization which ,from 1870 to 1970, moved […]