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
Juan Roget the Plaça del Blat and two of Pere's children also became master spectacle makers. The register of deaths of Rodez Cathedral in Aveyron list the death of Joana Roget as August 7, 1614. There is no register record of Juan Roget's death but the register book for deaths between 1617 and 1624 is missing, giving him a probable death date between those two dates. A 1959 research paper by Simón de Guilleuma claimed that evidence he had uncovered pointed to the French born spectacle maker, Juan Roget, as the inventor of the telescope before Hans Lipperhey's patent application for the