Sophie Hueglin graduated from the University of Freiburg, Germany, and for many years has led excavations in the city of Basel, Switzerland. Her research focuses on medieval and early modern material culture and the European Iron Age. During her Marie-Curie fellowship at Newcastle University, UK, she has developed petrification as a transdisciplinary diachronic concept. From 2016-2020, she served as Vice-President of the European Association of Archaeologists. Currently, she is involved in academic research and teaching in Switzerland, Germany, the UK, Austria, and India.
Alexander Gramsch received degrees from Cambridge University, UK, and Leipzig University, Germany. His research interests include the archaeology of practices, the human body, and cultural change, working on topics such as Bronze Age cremation rituals and the itinerary of the human body. He has worked for private archaeological companies and the State Archaeological Service in Rhineland-Palatinate.Currently, he is head of the editorial department of the Römisch-Germanische Kommission (RGK).
Liisa Seppänen has degrees in archaeology and cultural history from Turku University. She has worked on large urban excavations and is presently a docent of urban archaeology at Turku University and of archaeology at Helsinki University. Her research focus lies on building materials, town planning and urban development in connection with social complexity and heritage values. Since 2014, she has been part of the international expert network “Archaeology, Architecture and Contemporary City Planning”.