Human economics, a challenge to social sciences. The idea of human economics sprang from the action and reflection of the Dominican Louis-Joseph Lebret, in the thirties. It comes within the sphere of social Catholicism but brings to it a rigorous, in depth conception of economics as well as a knowledge of society with its forces of production and its human relationships. "Economie et Humanisme" was built on this principle. Human economics proved its richness in the development of town and country planning in France during the fifties and of solidarity movements during the sixties. Even today, human economics still challenges the social sciences and the nature of their scientific reality from an epistemological point of view.L'idée de l'éco...