<p>In the mid-nineteenth century, the northern coastline of North America was of particular interest to the Hudson's Bay Company as it was believed to hold the key to the elusive North-West Passage, a trade route from the Atlantic to the Pacific. Recruited to lead a team to survey part of this forbidding region, the Scottish explorer John Rae (1813?93) undertook his first expedition during 1846?7. It was remarkable not only for its success, ...