publications. The opening of the text sets the stage by highlighting the immense respect Henri Poincaré commanded within the scientific community, referencing his achievements and contributions to mathematics, physics, and astronomy. The section presents an address given by Frédéric Masson on Poincaré's induction into the Académie Française, celebrating his extensive accolades and the esteem in which he is held globally. It paints a portrait of Poincaré as a prodigious intellect whose life's work has shaped mathematical thought, alluding to his role in raising significant philosophical questions that intersect scientific inquiry and broader human understanding. (This is an automatically generated summary.)