Julian Goodare is Professor of History, University of Edinburgh. His most recent book is The European Witch-Hunt (London: Routledge, 2016). His edited books include Scottish Witches and Witch-Hunters (Basingstoke: Palgrave Macmillan, 2013), and he is Director of the online Survey of Scottish Witchcraft.

Rita Voltmer is Senior Lecturer in Medieval and Early Modern History, University of Trier. Her most recent edited book is Herren und Hexen in der Nordeifel (Weilerswist, 2018). Her current projects are on the circulation of knowledge, the impact of Counter-Reformation, and criminal justice in medieval and early modern Europe.

Liv Helene Willumsen is Professor Emerita of History, University of Tromsø (UiT The Arctic University of Norway). Her books include Witches of the North: Scotland and Finnmark (Leiden, 2013). In 2019 she was awarded the Norwegian King's Medal of Merit. She is currently researching transference of demonological ideas across Europe.