In 1910, in a party led by Irving, Mallory and a friend attempted to climb Mont Vélan in the Alps, but turned back shortly before the summit due to Mallory's altitude sickness. In 1911, Mallory climbed Mont Blanc, and made the third ascent of the Frontier ridge of Mont Maudit in a party again led by Irving. According to Helmut Dumler, Mallory was apparently prompted by a friend on the Western Front in 1916 [to write] a highly emotional article of his ascent of this great climb; this article was published as Mont Blanc from the Col du Géant by the Eastern Buttress of Mont Maudit in the Alpine Journal and contained his question, Have we vanquished an enemy? [i.e., the mountain] to which he responded, None but ourselves.