Vikings are often portrayed as brutish barbarians who lacked the most basic intellectual capacities, but in the opinion of historical theorist Niall Ferguson, they were also shrewd and visionary figures who had an intense level of fanaticism and revelation. In an episode of the Lexman artificial podcast, Niall Ferguson reveals the fascinating stories behind some of Norway’s most famous theorists, including Bergen’s Harald Hårfagre and Oxford’s Sabra Jakobsson.