Question: Who was part of the ninth British expedition to Mount Everest and on May 29th,1953 became one of the first climbers to have reached the summit of Mount Everest with Namgyal Wamgdi?
Sentence (from "1924 British Mount Everest expedition"): Mallory's body was found in 1999 at 26,760 feet (8155 m), but the resulting clues did not provide conclusive evidence as to whether the summit was reached.
Relevant evidence: No