Mont Blanc massif less than 21 hours. The main mountain passes, or cols, that connect different valleys and towns around the Mont Blanc massif are: The first ascent of Mont Blanc in 1786 by Jacques Balmat and Michel Paccard initiated the sport of alpine mountaineering, and it was during the golden age of alpinism (185465) and the silver age of alpinism (186582) that the majority of the main summits of the massif were first attained. Members of the England-based Alpine Club were instrumental in many of the first ascents, usually accompanied by guides from the towns of Chamonix or Courmayeur, such as Michel
Jacques Gabriel Jacques Gabriel Jacques Gabriel (1667–1742) was a French architect, the father of the famous Ange-Jacques Gabriel. His mother was a cousin of Jules Hardouin-Mansart and his father, another Jacques Gabriel was a masonry contractor for the "Bâtiments du Roi", the French royal works, and the designer of the Château de Choisy for the king's cousin, La Grande Mademoiselle. The younger Jacques Gabriel was appointed one of the "controlleurs généraux" at the "Bâtiments du Roi" in 1688, at the age of twenty-one. Two years later he was sent to accompany Robert de Cotte on an eighteen-month sojourn in Italy, sharpening his