Conversation so far:
What year(s) was Mallory in Asia?
Mallory participated in the initial 1921 British Reconnaissance Expedition.
Who did he climb with in 1921?
organised and financed by the Mount Everest Committee, that explored routes up to the North Col of Mount Everest.
Were they successful in the climb?
The expedition produced the first accurate maps of the region around the mountain, as Mallory, his climbing partner Guy Bullock and E.
O.
Wheeler.

Question: What else can you tell me about this climb?
Self-contained rewrite: What else other than that the fact that the expedition produced the first accurate maps of the region around the mountain Everest, can you tell me about the climb by George Mallory, Guy Bullock and E. O. Wheeler?