Hansruedi von Gunten

[2] Gunten graduated in Bern, the Municipal Gymnasium (Matura 1948), studied at the University of Bern chemistry (major), physics and geology (minor subjects), doctored from 1954 to 1956 at the Physical Institute at FG Houtermans on age determinations of Congolese minerals and radioactive bleach (Cotunnites) from Mount Vesuvius.

From Gunten has numerous peaks in the Alps on z. T. difficult routes (including the north wall of the Aiguille du plan) defeated.

He participated in a geological research expedition in East Greenland in 1953 (first ascent of the Shackletons-Bjerg, together with John Haller and Wolfgang Diehl on 2 August).

On April 6, 1956 he succeeded in the Khumbu area together with the Sherpas Lobsang and Gyalsen the first ascent of today often visited Island Peak.

Von Gunten reached the summit of Mount Everest together with the photographer Dölf Reist as the second team of this expedition, one day after the ascent by Jürg Marmet and Ernst Schmied.