Jacek LechFrancoise Bostyn is professor of Neolithic archaeology at the Paris 1-Pantheon-Sorbonne University. She is a specialist of Neolithic period and works more particularly on lithic technical systems from the end of the 6th millennium to the 4th millennim BC in northern France. Through a global technological approach, she addresses issues of artisanal specialisation and exchange networks in early and middle Neolithic societies. Jacek Lech is researcher of prehistoric flint mining in Poland and Europe. He also studies distribution of siliceous rocks in Central Europe in settlement and social contexts with a particular focus on the Danubian exchange network (Bylany). Since 2000 he has been full professor at the Cardinal Wyszy?ski University in Warsaw. Alan Saville (1946-2016) was an archaeologist and a founding member of the UISPP Commission 'Flint Mining in Pre- and Protohistoric Times'. He worked as senior curator at the National Museums Scotland, Edinburgh, and earlier as Archaeological Field Officer of the Western Archaeological Trust. He led the excavation of flint mine sites at Den of Boddam and Skelmuir Hill, both in the Grampian region of north-east Scotland. Dagmara H. Werra is an archaeologist and ethnologist at the Institute of Archeology and Ethnology of the Polish Academy of Sciences. In her professional career, she has focused on prehistoric flint mining, the use of flint in the Stone Age and Metal Ages, and the identification and use of siliceous rocks by prehistoric communities. Read More Read Less