Valery Khrichtchatyi

Valery Nikolaevich Khrichtchatyi was a Kazakh mountaineer. He made more than forty ascents above 7,000 meters, including a string of hard winter firsts in the Pamirs and Tien Shan. He climbed Everest by a new south pillar route, Kanchenjunga without oxygen and with only one bivouac, and a new route on the west side of Dhaulagiri.

Source: Wikipedia