Career
On 18 May 1956, Reiss and Luchsinger successfully climbed the 8516 meter-high Lhotse, the fourth highest mountain on earth. Lhotse is connected to Mount Everest via the South Colonel on the border of Tibet and Nepal. At the end of April and start of May, the expedition erected some high camps.
From the last high camp at the "Geneva Spur" on 18 May, Luchsinger and Reiss climbed the summit of Lhotse mountain.
Reiss died in Basel, Switzerland, on 3 August 2010, aged 90.
