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 operate his factory, and, understanding the influence and fame of the Curie name, marketed his radium products as being certified by the Curies themselves. In 1913, with the Curies' partnership secured, de Lisle attempted an aggressive expansion of his radium business. The plan was centered around boosting production through the implementation of novel radium harvesting procedures developed and patented by Erich Ebler, a professor of chemistry at Heidelberg University, as a complement to Curie's own method. De Lisle enlisted the support of Curie for this project, inviting her to serve on a committee overseeing the technical aspects of the company.