Xavier Guillaume Mertz (6 October 1882 – 8 January 1913) was a Swiss polar explorer, mountaineer, and skier who took part in the Far Eastern Party, a 1912–1913 component of the Australasian Antarctic Expedition, on which he died. Mertz Glacier on the George V Coast in East Antarctica is named after him. While a student, Mertz became active as a skier, competing in national competitions, and as a mountaineer, climbing many of the highest peaks in the Alps. In early 1911, Mertz was hired by geologist and explorer Douglas Mawson for his Antarctic expedition. He was initially employed as a ski instructor, but in Antarctica, Mertz instead joined Belgrave Edward Ninnis in the care of the expedition's Greenland huskies. In the summer of 1912–1913, Mertz and Ninnis were chosen by Mawson to accompany him on the Far Eastern Party, using the dogs to push rapidly from the expedition's base in Adélie Land towards Victoria Land. After Ninnis and a sledge carrying most of the food disappeared down a crevasse, 311 miles (500 km) from the expedition's main hut, Mertz and Mawson headed back west, gradually using the dogs to supplement their remaining food stocks. About 100 miles (160 km) from safety, Mertz died, leaving Mawson to carry on alone. The cause of Mertz's death has never been firmly established; the commonly purported theory is hypervitaminosis A—an excessive intake of vitamin A—from consuming the livers of the Huskies. Other theories suggest he may have died from a combination of malnutrition, cold exposure, and psychological stresses.
Early life Xavier Mertz was born in Basel, the son of Emile Mertz, who owned a large engineering firm in the city. With the aim of working in the family business, which manufactured textile machinery, Mertz attended the University of Bern, where he studied patent law. While in Bern, he became active as a mountaineer and skier. Mertz competed in several national competitions; in 1906 he was third in the Swiss cross-country skiing championship, and second in the German championship. In 1908, he won the Swiss ski jumping championship, with a distance of 31 metres (102 ft). As a mountaineer, he was particularly prolific in the Alps; he climbed Mont Blanc—the highest peak in the range—and claimed several first ascents of other mountains. After he attained his degree of Doctor of Laws from the University of Bern, Mertz studied science at the University of Lausanne; he specialised in glacier and mountain formations, for which he received his second doctorate.
Australasian Antarctic expedition
In early 1911, Mertz went to London to meet with the Australian geologist and explorer Douglas Mawson. Mawson, who had served as physicist during Ernest Shackleton's 1908–1909 Nimrod expedition, was planning his own Antarctic expedition. In his application letter, Mertz wrote that he hoped Mawson would be using skis, as "they have proved so good for the purpose & knowing that I am as good as any one on skys." While Mawson was intending to recruit only British subjects (chiefly Australians and New Zealanders), Mertz's qualifications prompted him to make an exception, and hire the Swiss as a ski instructor. First, however, he was given responsibility for the expedition's 48 dogs, aboard the expedition ship SY Aurora, bound for Hobart. On the Aurora, Mertz met Belgrave Edward Sutton Ninnis, a lieutenant in the Royal Fusiliers. Like Mertz, Ninnis was responsible for the expedition's dogs; Aurora's captain, John King Davis, regarded the pair as "idlers". "I wish we had some one on board who could look after [the dogs]," he wrote in his diary, "it is a great shame that they should suffer from neglect." On 2 December 1911, after final preparations and loading were completed in Hobart, the Aurora sailed south; she stopped briefly at Macquarie Island, where a wireless relay base was established, and reached the site of the expedition's main base at Cape Denison in Adélie Land, on the Antarctic continent, in early January.
Adélie Land Over the following winter, preparations were made for the summer sledging. Because the conditions—constant, strong winds and an excessive slope by the hut—prevented Mertz from conducting skiing lessons as regularly as intended, he focussed instead on helping Ninnis to care for the dogs. On days when the weather was good they drove the dogs around outside the hut, teaching them to run in teams; when the winds returned the pair fitted and sewed harnesses for each dog, and prepared their sledging food. By this time Mertz and Ninnis developed a close friendship, as the expedition's taxidermist Charles Laseron later wrote:
The two [Mertz and Ninnis] had joined the Expedition together in London, and had been associated longer and in a more intimate manner than any other members of the Expedition. During the winter months we had all been drawn together, but between Mertz and Ninnis there existed a very deep bond. Mertz, in his warm-hearted impulsive way, had practically adopted Ninnis, and his affection was almost maternal. Ninnis, less demonstrative, reciprocated this to the full, and indeed it was hard to dissociate them in our thoughts. It was always 'Mertz and Ninnis' or 'Ninnis and Mertz', a composite entity, each the complement of the other.
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