In this paper, we investigate how the life and work of Louis Rougier relate to the broader political dimension of logical empiricist philosophy. We focus on three practical projects of Rougier in the 1930s and 1940s: first, his attempts to integrate French-speaking philosophers into an international network of scientific philosophers by organizing two Unity of Science conferences in Paris; second, his role in the renewal of liberalism through the organization of the Walter Lippmann Colloquium; and third, his attempts at political (...) negotiations between Great Britain and the Vichy regime during the Second World War. These activities of Rougier in the 1930s and 1940s have so far never been discussed as part of a unified project on his part. Based on our investigations of these practical projects of Rougier, we argue that his relation to logical empiricist philosophers should primarily be understood on the level of action. His projects aimed to proliferate the concrete improvement of society and the lives of its citizens by expunging all metaphysical questions and speculations from the sphere of social discourse. Rougier conceived logical empiricist philosophers as allies to achieve such practical effects in society. (shrink)

In this article, I discuss Otto Neurath’s philosophy in the context of Vienna Circle modernism. Following recent scholarship, the discussion considers as a starting point Neurath’s participation at the fourth International Congress of Modern Architecture (CIAM IV). However, the image of Neurath’s modernism that results from this perspective is incomplete because it tends to overlook the importance of scientific utopianism in Neurath’s thought. Scientific utopianism is a methodology proposed by Neurath for the social sciences in technological contexts, in which scientists (...) elaborate and develop plans (utopias) for the transformation of society, thus contributing to an informed societal debate. Decisions are nevertheless kept outside the domain of scientific activity. I claim that recognizing the centrality of scientific utopianism in Neurath’s philosophy is fundamental to understand Neurath’s modernism. This interpretation highlights the affinities of Neurath’s philosophy of the social sciences with the modern utopianism of H. G. Wells. Both authors consider that there can be no ultimate solution to social problems but that a plural and constant debate of proposals is fundamental for the improvement of society. Therefore, Neurath’s modernism connects his philosophy of science to the literary utopian tradition. (shrink)