Timeline of Mount Everest expeditions Timeline of Mount Everest expeditions Mount Everest is the world's highest mountain, with a peak at 8,848 metres (29,029 ft) above sea level. It is situated in the Himalayan range. The first British expedition—organized and financed by the newly formed Mount Everest Committee—came under the leadership of Colonel Charles Howard-Bury, with Harold Raeburn as mountaineering leader, and included George Mallory, Guy Bullock, and Edward Oliver Wheeler. It was primarily for mapping and reconnaissance to discover whether a route to the summit could be found from the north side. As the health of Raeburn broke down, Mallory assumed responsibility for most
1924 British Mount Everest expedition 1924 British Mount Everest expedition The 1924 British Mount Everest expedition was—after the 1922 British Mount Everest expedition—the second expedition with the goal of achieving the first ascent of Mount Everest. After two summit attempts in which Edward Norton set a world altitude record of 28,126 feet (8572m), the mountaineers George Mallory and Andrew "Sandy" Irvine disappeared on the third attempt. Their disappearance has given rise to the long-standing unanswered question of whether or not the pair climbed to the summit. Mallory's body was found in 1999 at 26,760 feet (8155 m), but the resulting clues did not provide conclusive