Anders Kaliff, PhD, is Professor of Archaeology at the Department of Archaeology and Ancient History at Uppsala University, Sweden. He has studied and published extensively on cremation and prehistoric cosmologies, in addition to previously being the Head of the Department of Archaeological Excavations at the Swedish National Heritage Board. His books include Fire, Water, Heaven and Earth. Ritual practice and cosmology in ancient Scandinavia: An Indo-European perspective (2007), Dracula och hans arv: Myt, fakta, fiction (2009), Kremation och kosmologi – en komparativ arkeologisk introduktion (with Terje Østigård, 2013), Tempel och kulthus i det forna Skandinavien (with Julia Mattes, 2017). He also edited Archaeology in the East and the West: Papers presented at the Sino-Sweden Archaeology Forum, Beijing (2007) and co-edited Wulfila 311–2011, International Symposium (2013). Terje Oestigaard, Dr Art, is Senior Researcher at the Nordic Africa Institute, Uppsala, Sweden, and Docent at the Department of Archaeology and Ancient History at Uppsala University, Sweden. His recent books include Dammed Divinities: The Water Powers at Bujagali Falls, Uganda (2015), Religion at Work in Globalised Traditions: Rainmaking, Witchcraft and Christianity in Tanzania (2014) and Water, Christianity and the Rise of Capitalism (2013). He also co-edited A History of Water, Series 3, Vol. 3: Water and Food: From Hunter–Gatherers to Global Production in Africa (2016), Land and Hydropolitics in the Nile River Basin: Challenges and New Investments (2016) and Framing African Development: Challenging Concepts (2016).