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
Dan Bryant (mountaineer) With another partner Lud Mahan he was the first to reach the summit via an ice ridge that is now regarded as one of the most difficult routes up the mountain. In 1934 he went to Europe and while attending the London School of Economics he did a great deal of solo climbing in the Alps. This let him meet other climbers and with whom he joined for expeditions. He discovered that his techniques on ice stood good comparison with European climbers, partly because he was used to worse weather conditions. With an American climber he met, Paul Petzoldt, he