Philippe Friedrich Dietrich 1790 to August 1792. At his home during a dinner in honor of the officers of the garrison of Strasbourg he asked the Captain Claude Joseph Rouget de Lisle, stationed in his city, to write the Song the Army of the Rhine, future "La Marseillaise". Rouget de l'Isle composed the song in the night of 24–25 April 1792. According to sources, Dietrich would have sung the song himself, accompanied on the piano by his wife, for he was very good musician. Baron Dietrich knew the Captain Rouget de l'Isle to be like him, a Freemason and attend the same Masonic
Emile Armet de Lisle requested laboratory space in de Lisle's factory for expanding her own chemical work, a request which de Lisle granted. The Curies also gained office space in de Lisle's factory, part of an arrangement which served to help the Curies more effectively organize their work and manage the resources and proceedings of their own laboratory in Paris, the "Laboratoire Curie". Meanwhile, the Curies vouched for the quality of de Lisle’s products, and provided de Lisle with access to the intellectual and physical resources of the "Laboratoire Curie." Specifically, de Lisle used researchers groomed at the "Laboratoire" as technicians to staff and