Edouard Wyss-Dunant (17 April 1897 – 30 April 1983) was a Swiss physician and alpinist. He had a distinguished career in medicine, both in his own country...

millibars (10.5 inHg; 5.16 psi). The concept was conceived in 1953 by Edouard Wyss-Dunant, a Swiss doctor, who called it the lethal zone. All 14 peaks above...

Everest expedition was an attempt to summit Mount Everest. Led by, Edouard Wyss-Dunant, the expedition, which included Tenzing Norgay, reached a height...

mountaineering (originally the lethal zone) was first conceived in 1953 by Edouard Wyss-Dunant, a Swiss physician and alpinist. It refers to altitudes above a certain...

was first reached on 12 May 1952 by Aubert, Lambert, and Flory of Edouard Wyss-Dunant's Swiss Mount Everest Expedition which failed to reach the summit...

from the south. The 1952 Swiss Mount Everest Expedition, led by Edouard Wyss-Dunant, was granted permission to attempt a climb from Nepal. It established...

party. In 1952, he took part in the two Swiss expeditions led by Edouard Wyss-Dunant (spring) and Gabriel Chevalley (autumn), the first serious attempts...

Swiss Foundation for Alpine Research mounted an expedition under Edouard Wyss-Dunant, which scaled both the peak and needle of Botoum, at 2,400 m (7,900 ft)...

Thornton Wilder, American novelist and playwright (d. 1975) 1897 – Edouard Wyss-Dunant, Swiss physician and mountaineer (d. 1983) 1899 – Aleksander Klumberg...

equipment. First European to reach Nangpa La. A Swiss expedition led by Edouard Wyss-Dunant attempted to climb via the South Col and the southeast ridge. After...