This article traces the metamorphoses of Norwegian reformism during the last two centuries. In the Norwegian system, the shifting political regimes have to a remarkable extent been accompanied by shifting knowledge discourses. Regardless of whether its ideological dress was liberalism or socialism, a central feature of Norwegian reformism has been its basis in different versions of social science: it has been a scientific reformism. The legal knowledge regime of the civil servants’ state was towards the end of the 19th century (...) replaced by a democratic-pedagogical knowledge regime. When the Labour Party gained control of the political centre in 1945, it did so in coalition with the new economists. Following the demise of the Labour Party state in the 1980s, some features of a new knowledge regime have become visible. (shrink)