Photography taken during the official ceremony for the 25 years of the discovery of radium, in the Grand Amphithéâtre of the Sorbonne in Paris, December 26th, 1923. On the stage : Marie Curie with, on her left, the French Republic President Alexandre Millerand. This is during this ceremony that the statuette was offered to the scientist (photo A Harlingue ; Musée Curie ; coll. ACJC).