'Everest by fair means - that is the human dimension, and that is what interests me … In reaching for the oxygen cylinder, a climber degrades Everest … a climber who doesn't rely on his own strength and skills, but on apparatus and drugs, deceives himself. In May 1978 Reinhold Messner and Peter Habeler became the first climbers in history to reach the summit of Mount Everest without the use of sup...