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 who died in 1613, also possessed a "tin telescope for viewing the moon" ("ullera de llauna per mirar de Lluny"). The claim was further investigated by writer Nick Pelling in an October 2008 History Today magazine article, in which he attempted to reconstruct the movements of Lipperhey and the other Dutch inventors before the patent application, and found that a connection with Roget was plausible. Other evidence that de Guilleuma presented was tracing the use of the word "ulleras" (a word for "eyeglass" that later became a word for "telescope") which he thought established priority in a 10 April 1593