Tom Hornbein and Willi Unsoeld 1963 ascent of the West Ridge of Everest has been described as “one of the most extraordinary accomplishments in the history of mountaineering… among the grandest adventures imaginable,'‘ by Jon Krakauer. More importantly, their ascent ushered in the modern era of mountaineering, where ascents are made fast and light, focusing more on the intrinsic value of the route than the summit itself.