The Musée Moissan is a museum dedicated to Henri Moissan (1852 - 1907),[1] winner of the 1906 Nobel Prize in Chemistry. It is maintained by the Université René Descartes-Paris 5 faculty of pharmaceutical and biological sciences, and located in the 6th arrondissement of Paris at 4, avenue de l'Observatoire, Paris, France. It is open by appointment only; admission is free.[2]