Jamie Hampson is a Senior Lecturer in the Humanities Department at the University of Exeter. He has a PhD in archaeology from the University of Cambridge, and an undergraduate degree in history from Oxford. Jamie works primarily on rock art, identity, and Indigenous heritage projects in the USA, southern Africa, Australia, and Europe. Sam Challis is Head and Senior Researcher at the Rock Art Research Institute, University of the Witwatersrand, Johannesburg, lecturing undergraduates in global hunter-gatherer and rock art studies, and advising graduates and postdocs. His focus is on the interactions between Indigenous peoples, and with Europeans, as expressed in rock art around the world. His research is directed toward understandings of all these processes in terms of the New Animisms. Joakim Goldhahn holds the Rock Art Australia Ian Potter Kimberley Chair at the Centre of Rock Art Research and Management at the University of Western Australia. His research focuses mainly on north European and Australian rock art. Other topics include the European Bronze Age, human-animal relatedness, burial rituals, landscape and monumentality, ritual specialists, and the history of archaeology, resulting in 28 books and over 200 scientific publications, including Birds in the Bronze Age – a North European perspective (Cambridge University Press, 2019).