Thomas George Longstaff
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Thomas George Longstaff (1875-1964) was an explorer and mountaineer, most famous for being the first person to climb a summit of over 7,000 meters in elevation, Trisul, in the Indian Himalaya. He also made important explorations and climbs in Tibet, Nepal, the Karakoram, Spitsbergen, Greenland, and Baffin Island. He was president of the (British) Alpine Club from 1947 to 1949.