“…20 Although the comparison given in this article is limited to the early 1890s, let us point out some factors of the progressive separation of Duhem and Poincaré. 21 In the following years, Poincaré frequented the neo-Kantian and republican milieu, becoming one of the collaborators of the Revue de métaphysique et de morale (a journal in which Duhem published only once, in 1916), see (Soulié 2009, 68, 222-225), (Príncipe 2015a(Príncipe et 2015b. It seems to me probable that Duhem's divergence from Poincaré's ideas, explicit in his later texts, is partly an effect of his rejection of neo-Kantianism, although Poincaré's interest in the progress of atomism may have played a more important role.…”