Mountaineering In 1573 Francesco De Marchi and Francesco Di Domenico ascended Corno Grande, the highest peak in the Apennine Mountains. During the Enlightenment, as a product of the new spirit of curiosity for the natural world, many mountain summits were surmounted for the first time.. In 1741 Richard Pococke and William Windham made a historic visit to Chamonix. In 1757 Swiss scientist Horace-Bénédict de Saussure made the first of several unsuccessful attempts on Mont Blanc in France, finally offering a reward, which was claimed in 1786 by Jacques Balmat and Michel-Gabriel Paccard. By the early 19th century many of the alpine
1996 Mount Everest disaster supplemental oxygen, guide Boukreev from the Mountain Madness team reached the summit (8,848 m/29,029 ft) first at 13:07. Many of the climbers had not yet reached the summit by 14:00, the last safe time to turn around to reach Camp IV before nightfall. Boukreev began his descent to Camp IV at 14:30, having spent nearly 1.5 hours at or near the summit helping others complete their climb. By that time, Hall, Krakauer, Harris, Beidleman, Namba and Mountain Madness clients Martin Adams and Klev Schoening had reached the summit, and the remaining four Mountain Madness clients had arrived. After this time,