Ueli Steck is a Swiss mountaineer, born October 4, 1976 in Langnau im Emmental (Switzerland) and died April 30, 2017 in Nepal. Nicknamed the "Swiss Machine", he was known for his solo ascents and speed records. As a child, Ueli Steck played ice hockey. At 12, he discovered rock climbing and joined the Swiss Alpine Club. At the age of 18, he climbed the north face of the Eiger and the Bonatti pillar in the Mont-Blanc massif. In 1998, he soloed the Haston Couloir on the Mönch in 3.5 hours, and in 1999 the Lauper route on the Eiger in 5 hours. In 2001, he made the first ascent of the west face of Mount Pumori with Ueli Bühler. From 2002, he made several ascents with Stephan Siegrist: "The Young Spider" (2002) and "La Vida es Silbar" (2003) on the north face of the Eiger, then they chained the 3 north faces of the Eiger, Mönch and Jungfrau in 25 hours (2004). In 2005, he made the first solo…
