What did Edmund Hilary work?

Sir Edmund Hillary was a New Zealand mountaineer, explorer, and philanthropist best known for being one of the first two climbers to reach the summit of Mount Everest on May 29, 1953, alongside Tenzing Norgay. Beyond his achievements in mountaineering, Hillary also dedicated much of his life to humanitarian work in the Himalayas, particularly in Nepal, where he helped build schools and hospitals for the Sherpa people. His legacy includes a commitment to adventure and community service.