Claude Joseph Rouget de Lisle has immortalized him, "La Marseillaise", was composed at Strasbourg, where Rouget de Lisle was garrisoned in April 1792. France had just declared war on Austria, and the mayor of Strasbourg, baron Philippe-Frédéric de Dietrich, held a dinner for the officers of the garrison, at which he lamented that France had no national anthem. Rouget de Lisle returned to his quarters and wrote the words in a fit of patriotic excitement. The piece was at first called "Chant de guerre pour l'armée du Rhin" ("War Song for the Army of the Rhine") and only received its name of "Marseillaise" from its
Juan Roget Rodez Cathedral in Aveyron and found that there was a "Roget" family of spectacle makers, leading him to conclude that the spectacle maker in the Sirtori story was Juan Roget. In 1979, Dr. Lopez Piñero in his book: "Ciencia y técnica en la sociedad española de los siglos XVI y XVII" explains that Simón de Guilleuma, solidly based on archival data, provided the documentary evidence that, before 1593, "long-range glasses" had been built in those workshops. In March of that year Pedro de Cardona, a prominent personality of the citizen oligarchy, and left among his assets a "long eyeglass decorated