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 Emile Armet de Lisle Emile Armet de Lisle (1853–1928) was a French industrialist and chemist who helped develop the French radium industry in the early 20th century. Around the turn of the century, Armet de Lisle began to take notice of a growing market for radium products in France. Seeking to take advantage of this opportunity and leave his own mark on the family business, de Lisle established a new factory, just outside Paris, devoted to the production of radium products in 1904. This was the first radium factory in the world. De Lisle’s business was responsible for supplying the