The development of economics as a science which is always based on human beings, the creative actors and protagonists in all social processes and events (the subjectivist conception), is undoubtedly the most significant and characteristic contribution made by the Austrian School of economics, founded by Carl Menger. In fact Menger felt it vital to abandon the sterile objectivism of the classical (Anglo-Saxon) school whose members were obsessed with the supposed existence of external objective entities (social classes, aggregates, material factors of production, etc.). Menger held that economists should instead always adopt the subjectivist view of human beings who act, and that this perspective should invariably exert a decisive influence on the way all economic theories are formulated, in terms of their scientific content and their practical conclusions and results.