On 5 June 1921, on a windswept plain in Tibet, Lt Col Howard-Bury, the leader of the Mount Everest Reconnaissance Expedition, had an unhappy task to perform. Mallory and Bullock would head south to the Rongbuk glacier below the huge north face of Everest, Morshead and his surveyors would map the region east of Everest and Wheeler and Heron would …
