Before revision: Founded by Henri de Lacaze-Duthiers (1821–1901) in 1872, it is at the present time affiliated to the Université Pierre et Marie Curie (UPMC) , the Institut National des Sciences de l'Univers et de l'Environnement (INSU) and the Centre National de la Recherche Scientifique (CNRS).
After revision: Founded by Henri de Lacaze-Duthiers (1821–1901) in 1872, it is at the present time affiliated to the Sorbonne University (SU) and the Centre National de la Recherche Scientifique (CNRS).