Input (grade 6): In his final year there, he was introduced to rock climbing and mountaineering by a master, R. L. G. Irving, who took a small number of people climbing in the Alps each year.
Output (grade 8): In his second - to - last year at Winchester, he was introduced to rock climbing and mountaineering by a master, R.L.G Irving, who took a small number of pupils climbing in the Alps every year.