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 willingness to be personally involved in the project is evidence of the strong and lasting partnership de Lisle forged with the Curies. However, it has also been suggested that this relationship was not totally free of complications. Roque has claimed that the fate of Jacques Danne, a longtime associate of Curie who in 1909 surrendered his position at Curie's laboratory due to lasting obligations beyond the lab, pointed to conflicts between de Lisle's and Curie's respective establishments. De Lisle also expanded his business to interface with other scientists and medical professionals in the French community. In 1905 he sent some