Kevin J. Edwardshttps://orcid.org/0000-0002-7205-066X,^1,2,*,** Pia Östensson<sup>3,***

1</sup>Departments of Geography & Environment and Archaeology, School of Geosciences, University of Aberdeen, Aberdeen, UK
²McDonald Institute for Archaeological Research and Scott Polar Research Institute, University of Cambridge, Cambridge, UK
³Palynologiska laboratoriet, Naturhistoriska riksmuseet, Stockholm, Sweden

^*CONTACT Kevin J. Edwards kevin.edwards@abdn.ac.uk Clare Hall, Herschel Road, Cambridge CB3 9AL, UK
^**Kevin J. Edwards holds degrees from the Universities of St Andrews (MA, DSc) and Aberdeen (PhD). He is Emeritus Professor in physical geography and adjunct chair in archaeology in the University of Aberdeen, adjunct professor in the Graduate Center, City University of New York, and, at the University of Cambridge, Fellow Commoner of Clare Hall, Senior Fellow of the McDonald Institute for Archaeological Research and Emeritus Associate of the Scott Polar Research Institute. He has held academic posts and visiting research positions in a number of universities including those of Queen's Belfast, Birmingham, Sheffield, Minnesota, Copenhagen and Oxford. A palynologist with a strong involvement in multidisciplinary Quaternary science, his interests include human-environment interactions during Lateglacial and Holocene times in Britain and Ireland, Norse impacts upon the landscapes of the North Atlantic region, methodology, and the history of science.
^***Pia Östensson is curator of the Palynological Laboratory in the Department of Environmental Research and Monitoring of the Naturhistoriska riksmuseet (Swedish Museum of Natural History) in Stockholm. A graduate in biology (plant systematics) from Stockholm University, she administers the pollen monitoring network for central Sweden and has extensive experience of aerobiology and forecasting based on airborne pollen sampling, plant phenology, and long distance palynomorph transport. Her previous posts have included the teaching of floristics at Stockholm University, scientific consultancy, and senior assistant of collections for the Linnean herbarium in the Department of Phanerogamic Botany in the Naturhistoriska riksmuseet. She was the botanist and illustrator for the book System och passion: Linné och drömmen om Naturens ordning.