The myths of the Norse god Thor were preserved in the Icelandic Eddas, set down in the early Middle Ages. The bane of giants and trolls, Thor was worshipped as the last line of defence against all that threatened early Nordic society. Thor's significance persisted long after the Christian conversion and, in the mid-eighteenth century, Thor resumed a symbolic prominence among northern countries. Admired and adopted in Scandinavia and Germany, he became...