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
Jean-Baptiste-Claude Delisle de Sales Jean-Baptiste-Claude Delisle de Sales Jean-Baptiste-Claude Delisle de Sales or Jean-Baptiste Isoard de Lisle (29 April 1741 – 22 September 1816) was a French philosopher noted for his multi-edition, multi-volume opus "The Philosophy of Nature: Treatise on Human Moral Nature". De Sales taught for the Oratorians in Riom and Nantes until 1768, when he resigned to become an independent philosopher in Paris. His book "The Philosophy of Nature" was first published in 1770 and expanded over the years, supposedly going through seven editions and increasing in size to up to a dozen volumes. It has been described as "long-winded and conventional",