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
Michel-Gabriel Paccard determination, one of the greatest in the annals of mountaineering. It was accomplished by men who were not only on unexplored ground but on a route that all the guides believed to be impossible." Paccard later married Jacques Balmat's sister, and became a justice of the peace. There is a statue of him in Chamonix. Michel-Gabriel Paccard Michel Gabriel Paccard (1757–1827) was a Savoyard doctor and alpinist, citizen of the Kingdom of Sardinia. Born in Chamonix, he studied medicine in Turin. Due to his passion for botany and minerals, he met Horace-Bénédict de Saussure, who initiated the race to be