Question: What is the birth date of this Tyrolean mountaineer, agricultural scientist, geographer, and cartographer who played the husband of Lhak[a Tsamchoe in Seven Years in TIbet?
Sentence (from "List of ski descents of Eight-Thousanders"): Only an elite group of mountaineers can claim to have summited all 14 peaks and many have perished trying.
Relevant evidence: No