The 1924 expedition represented the culminating effort of exploration and endeavour that started in 1921 , when a reconnaissance expedition spent no less than four months searching for a climbable route on Everest . After turning back from the north , it approached from the east , via the Kama Valley . In early August , upon seeing Everest from the east for the �irst time , the expedition leader , Charles Howard-Bury , took this panoramic photograph looking over the rubble of the Kangshung Glacier moraine . Everest is the peak to the right , with its South-east Ridge descending leftwards to the South Col , and Lhotse further to the left . The expedition concluded that any ascent from here was beyond its capabilities , and eventually found an approach from the north , via the East Rongbuk Glacier . Howard-Bury took the photograph with a Kodak Panoram camera which used �ilm measuring 12 x 4 inches . The photograph has sometimes been erroneously credited to Mallory .
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