Mont Blanc massif led to calls to limit access to the most popular summits and for the mountains to be treated with greater respect. The Mont Blanc massif has provided numerous opportunities for academic research, dating back to the very first ascent of Mont Blanc in 1786 during which Michel Paccard carried scientific equipment to confirm it as the highest summit. In 1820, an ill-fated expedition led by Dr Hamel included pigeons intended for release at varying altitudes to measure the impact of reduced air density on their ability to fly. In 1890, Joseph Vallot built a small meteorological observatory at approximately between
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