query: Who was the first person to climb Mount Everest?
passage: Edmund Hillary
Sir Edmund Percival Hillary KGONZKBE (20 July 1919 – 11 January 2008) was a New Zealand mountaineer, explorer, and philanthropist. On 29 May 1953, Hillary and Nepalese Sherpa mountaineer Tenzing Norgay became the first climbers confirmed to have reached the summit of Mount Everest. They were part of the ninth British expedition to Everest, led by John Hunt.
passage: Jozef Psotka
Jozef Psotka, (12 February 1934, Košice, Czechoslovakia – , Mount Everest, Himalayas, Nepal) was a Slovak mountaineer, at that time the oldest person in the world who reached the summit of Mount Everest without oxygen.