José Antonio Delgado a Venezuelan to the Aconcagua (from the "Puente del Inca" in 34 hours) and Huascarán (from the base in 14 hours). Jose Antonio Delgado Sucre was born in Caracas, Venezuela. He studied mechanical engineering at the Universidad Simón Bolívar and married Frida Ayala with whom he had two children. Delgado was the leader of the Venezuelan Nanga Parbat expedition. He and fellow climber Edgar Guariguata flew out to Pakistan in June 2006. Due to illness Guariguata remained at base camp while Delgado went on. After he reached the summit of the Nanga Parbat on July 11, a snow storm surprised
Cho Oyu border influenced Shipton to retreat from the mountain rather than continue to attempt to summit. The mountain was first climbed on October 19, 1954, via the north-west ridge by Herbert Tichy, Joseph Jöchler and Sherpa Pasang Dawa Lama of an Austrian expedition. Cho Oyu was the fifth 8000 metre peak to be climbed, after Annapurna in June 1950, Mount Everest in May 1953, Nanga Parbat in July 1953 and K2 in July 1954. Until the ascent of Mount Everest by Reinhold Messner and Peter Habeler in 1978, this was the highest peak climbed without supplemental oxygen. Cho Oyu is considered