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
Deaf climbers climbs as well as accomplished them. These climbers are not as publicly known as hearing climbers are. Many professional climbers are sponsored by various companies such as The North Face, Mad Rock, and Patagonia to name a few, they are paid to climb as well as gain recognition with their accomplished climbs. There are two deaf climbers who reached the summit of Mount Rainier which is a 14,410 foot mountain. One of the climbers name is Alec Naiman from New York, and the other Paul Stefurak from Washington. They attempted and reached the summit alongside five blind climbers, a man