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Lars Olof Göran Kropp (11 December 1966 – 30 September 2002) was a Swedish mountaineer, the first Scandinavian to climb Mount Everest without oxygen. He made a solo ascent of Mount Everest without bottled oxygen or Sherpa support on 23 May 1996, after traveling there from Sweden by bicycle and foot. [1]
He’s acclimatizing, in the bedroom of his second home near Lake Tahoe, for an attempt to climb Mt. Everest in May. Graham Cooper uses a pulse oximeter to check his blood oxygen levels and pulse ...
High-altitude climbing usually requires the use of portable oxygen apparatus when climbing Mount Everest or the other eight-thousanders, though some mountaineers—and alpine style climbers in particular—have deliberately ascended Everest without oxygen (e.g. starting with Reinhold Messner in 1978).
In 2017, Adrian and Cory Richards returned to Everest for a second attempt at climbing the peak without oxygen. On May 27, Adrian reached the summit of Mount Everest without the use of supplemental oxygen. In 2018, Ballinger made his third ascent of Cho Oyu on May 6, and his eighth summit of Everest on May 20.
Mountaineers as they climb during their ascend to summit Mount Everest on May 12, 2021. - Pemba Dorje Sherpa/AFP/Getty Images ‘Watching the sunrise from 29,000 feet’
Ballinger, who has been climbing and guiding on Mt. Everest since 2009, stuck to his principles and put his Everest trips on hold after the Chinese government shut down its side of the mountain in ...
Bottled oxygen can help mountaineers survive in the death zone. Mountaineers use supplemental oxygen in the death zone to reduce deleterious effects. An open-circuit oxygen apparatus was first tested on the 1922 and 1924 British Mount Everest expeditions; the bottled oxygen taken in 1921 was not used (see George Finch and Noel Odell).
Ang Rita Sherpa (Nepali: आङरिता शेर्पा; 27 July 1948 [1] – 21 September 2020) was a Nepalese mountaineer who climbed Mount Everest ten times without using supplemental oxygen between 1983 and 1996. His sixth climb set the world record for the most successful ascents of Mount Everest, which he re-set on his tenth climb.