Jacques Perrier, nicknamed "Pschitt," born in 1947, is a mountain guide and climber, a monument to French heritage, whose name has inscribed itself in the history of climbing, particularly in the Verdon Gorges. A mountain guide with the Ecrins Guides office, he has witnessed more than four decades of climbing evolution, leaving his mark on both big walls and sport crags. Hailing from a pioneering generation, he made his mark in the 1970s and 1980s by opening routes that have become legendary, particularly in the Verdon Gorges, a mecca of French free climbing. His dual role as a high-level climber and passionate equipment builder has allowed him to lastingly shape the vertical landscape of southern France. Pschitt opened or equipped major routes such as "Pichenibule", "Les Rideaux de Gwendal" and "Les Spécialistes" (the latter being one...