Claude Joseph Rouget de Lisle Claude Joseph Rouget de Lisle Claude Joseph Rouget de Lisle (), sometimes spelled de l'Isle or de Lile (10 May 1760 – 26 June 1836), was a French army officer of the French Revolutionary Wars. He is known for writing the words and music of the "Chant de guerre pour l'armée du Rhin" in 1792, which would later be known as "La Marseillaise" and become the French national anthem. Rouget de Lisle was born at Lons-le-Saunier, reputedly on a market day. His parents lived in the neighbouring village of Montaigu. A plaque was placed at the precise spot of his
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