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
Alexis Paccard of public buildings. He worked at the Louvre and the Tuileries under the direction of Louis Visconti. In 1854, he was an architect of the Château de Rambouillet, then Palace of Fontainebleau. In December 1863 he became professor of architecture at the Ecole, and among his students was Albert-Félix-Théophile Thomas. Alexis Paccard Alexis Paccard (12 June 1813 – 18 August 1867) was a French architect. Paccard entered the École nationale supérieure des Beaux-Arts in Paris in 1830 in the workshops of Louis-Hippolyte Lebas and Jean-Nicolas Huyot. He won the Second Grand Prix in 1835 for a medical school, and won