Edouard Wyss-Dunant
…the access to the South Col, the conquest of the labyrinthine Khumbu Icefall, and possibly the advance to the South Col. Raymond Lambert and Sherpa Tenzing Norgay were able to reach a height of about 8,595 metres (28,199 ft) on the southeast ridge, setting a new climbing altitude record. Tenzing's experience was…