BEFORE THE FIRST WORLD WAR HENRI BERGSON HAD PUBlished three major works, but nothing exclusively or even primarily concerned with social and political issues. Nevertheless, Bergson's philosophy was thought to have a political meaning that could be deduced from its principles. Despite their different, even contradictory, conclusions about it, Bergson's philosophy influenced several leading figures in France – Georges Sorel, Charles Péguy, Charles Maurras and Charles de Gaulle – and through them the course of French history. Significantly, Bergson's philosophical arguments interested them more than his relatively minor, but concrete, statements about contemporary politics. Bergson's mature thought on moral and political life was shaped principally by the First world War: Les Deux sources de la moral et de la religion appeared after Sorel and Péguy were dead and when Maurras and the Action Franqaise no longer figured so prominently in French politics. Even de Gaulle, who came to prominence much later than the others and who really belongs more to the second half of the century than they do, appears to have taken no interest in Les Deux sources. Rather, Essai sur les données immédiates de la conscience and L'Évolution créatrice in which Bergson states his critique of ‘conceptual thinking’ and his theories of consciousness and biological evolution, comprise ‘Bergsonism’ in politics – not Bergson's own politics. These ironically find no consistent representation in the movements or political theories discussed below. The difference between what Bergson stood for and favoured in politics and what others thought his philosophy implied for politics is most striking and points to the difficulties inherent in taking practical advice from metaphysical arguments. There are, then, two problems surrounding Bergson's influence in France, one of which has already been alluded to and will be discussed at some length. The other is much more diffuse, but defines Bergson's political reputation today.