Alistair Barclay current works as Principal Post-Excavation Manager for Cotswold Archaeology and has been involved in publication for nearly 30 years in which time he has contributed to more than a dozen monographs as co-author/editor, he has also written and edited numerous articles. He was co-editor of NSG 4: Pathways and Ceremonies: the cursus monuments of Britain and Ireland. Hugo Anderson-Whymark is a Researcher at the University of York, based in Stromness, Orkney. He is a prehistorian specialising in flint and stone artefacts.