The Oxygen Story: Annie Smith Peck's 1903 Bolivian Adventure

In 1903, American mountaineer Annie Smith Peck led an expedition to Bolivia's Mount Sorata (Illampu), aiming for the peak's 6, 367 meters (20, 892 feet). This journey is notable for being one of the first to employ supplemental oxygen on a great mountain. Instead of using heavy oxygen cylinders or r