E.M. Ineshin is one of the leading researchers in the archaeology of northern Baikal Siberia. His scientific interests span archaeological method and theory, geomorphology, palaeoglaciology and palaeoecology. He has worked extensively across the Vitim Basin, and is the discoverer of many well-known archaeological sites, including Bol’shoy Yakor’ I and II.A.V. Tetenkin is a docent at Irkutsk National Research Technical University, Russia, and lead researcher at Ust’-Khaita I, Bol’shoy Yakor’ I, Kovrizhka I–V. He specialises in the Palaeolithic and Mesolithic archaeology of Siberia, and is particularly interested in field methodology and the theory of archaeological interpretation.P. N. Hommel is a Researcher in Eurasian Prehistory at the University of Oxford, UK. He completed a PhD on Early Ceramics in the Upper Vitim Basin at the University of Sheffield, UK, in 2012. N. Reynolds completed her DPhil at the University of Oxford in 2015. She is currently a Postdoctoral Researcher in Upper Palaeolithic Archaeology at the University of Bordeaux, France.