20 Frith Street been presented to the museum of Görlitz by Baron de Gersdorf. (Baron von Gersdorff from Saxony, possibly?). Gersdorf authenticated the first ascent of Mont Blanc by Jacques Balmat and physician Michel-Gabriel Paccard in 1786. Exchaquet was also the director of mines and foundries at Servoz in Haut-Faucigny, where attempts were made to emulate the success of the English steel-makers who, however, were using the very best imported Swedish Oregrounds iron. In 1816 Troye co-authored with one S. Glover "A Description of the Inundation of the Valley of Bagnes in Swisserland". Troye published an account of Mont Blanc and his models
Gabriel Davioud are the popular Saint-Michel Fountain in Place Saint-Michel, the old Palais du Trocadéro (demolished 1937), and the two theatres at the Place du Châtelet (the Théâtre du Châtelet and the Théâtre de la Ville.) In 1868, Davioud succeeded Jacques Landry as mayor of Houlgate, where he stayed until 1871. His mandate was interrupted when he was appointed "capitaine du génie" during the Franco-Prussian War. Noted for his work in Paris, he built a single villa in Houlgate, "La Brise", on the "Route de Caumont". Gabriel Davioud Jean-Antoine-Gabriel Davioud (; 30 October 1824 – 6 April 1881) was a French architect.