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
Jacques de Morgan Europe and Greece, it still retains the traces of those civilizations that were the cradle of our own." In 1887-89 he unearthed 576 graves around Alaverdi and Akhatala, near the Tiflis-Alexandropol railway line. His father Eugène, also called "Baron" de Morgan, was an engineer in mineral findings. His interests were in entomology and prehistory. He named his two sons, Henry and Jacques. His sons later got into fieldwork, excavating the Campigny faults near Rouen with him, which had lent its name to the first phase of the European Neolithic. With his father Jacques became acquainted with Gabriel de Mortillet, who