We examine Lenin Peak's first ascents and two expeditions that ended in tragedy, including the deadliest-ever mountaineering ...

In 1975, Prodanov began climbing 7,000'ers. That summer, he summited 7,134m Lenin Peak (now called Ibn Sina Peak) in the Pamirs, returning there in 1982 and 1983. In 1976, he climbed 7,492m Noshaq ...