George Eogan is an Irish archaeologist with particular interest in the Neolithic and Late Bronze Ages. He is Professor Emeritus of Celtic Archaeology at University College Dublin. He was the Director of the Knowth Research Project and excavated at Knowth for more than 40 years as part of his investigation of the Passage Tomb builders in Ireland and Western Europe. He is the author of Excavations at Knowth Volume 5: The archaeology of Knowth in the first and second millenia AD (2012). Kerri Cleary has a PhD in archaeology from University College Cork for her research `Irish Bronze Age settlements: spatial organisation and the deposition of material culture'. She was a research fellow at the Centre for Advanced Welsh and Celtic Studies, University of Wales, and the editor/author of Archaeological networks: excavations on six gas pipelines in County Cork (Collins Press, 2015). She is now a post-excavation manager with a commercial archaeological company based in England.