Edmund Hillary
Sir Edmund Percival Hillary (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.
Pat Falvey
Falvey was the first person to complete the Seven Summits twice by reaching the summit of Mount Everest from both the Tibetan (1996) and Nepalese sides (2003). He was expedition leader of the team that saw Clare O'Leary become the first Irish woman to reach the summit of Mount Everest (2003). Other extreme expeditions include walking to the South Pole, crossing South Georgia Island and traversing the Greenland ice cap.