Oisín Plumb is a lecturer at the Institute for Northern Studies, University of the Highlands and Islands. His research focuses on Early medieval Northern Britain and Ireland. Particular issues of interest include the formation of local and national identities in the early medieval period as well as maps and the understanding of the earth’s lands in the Early Middle Ages. Key publications include Picts and Britons in the Early Medieval Irish Church: Travels west over the storm-swelled sea (Brepols 2020) and ‘Where were the Orcades? Early medieval engagement with the islands at the edge of the Earth in texts and maps’, Innes Review (2024).