The issue of the introduction of viennese "scientific philosophy" in France appears to be resolved. However, the rediscovery of the positivist physicist Marcel Boil (1886-1971), who was the first - well before Louis Rougier - to draw the French public 's attention to the works of Schlick, Frank. and Carnap, obliges us to rethink the passage from traditional positivism to neo-positivism during the l920s and l930s. The French reception of the Vienna circ le can be dated earlier than accepted and (...) is more profound than usualy assumed. (shrink)