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
Jean-Michel Jacques and passed selection for the french Commandos Marine, the Special Operation Forces of the French Navy. Jean-Michel Jacques Jean-Michel Jacques is a French politician representing La République En Marche! He was elected to the French National Assembly on 18 June 2017, representing the department of Morbihan. He is deputee-president of the defense committee at the French National Assembly, member of the Parliamentary Assembly of the Organization for Security and Co-operation in Europe, and President of the "Major crisis and risks management" study group. Born on 26 February 1968 in Metz, he grew up in Hagondange, a small town in Moselle.