Jean-Claude Droyer
Bio: Jean-Claude Droyer, born in 1947, is a climber and mountaineer, a mountain guide, and a former member of the Groupe de Haute Montagne (GHM).
A pioneer of free climbing in France, he trained at the climbing schools of Fontainebleau and Saussois and distinguished himself in 1965 by solo climbing the Pentecôte route at Glandasse