Stephen R. Cosh DLitt FSA is an independent archaeological writer and illustrator specialising in the Roman period. He worked for over thirty-five years with his colleague, David S. Neal, on the research, production and publication of the five-volume corpus of Romano-British mosaics, completed in 2024. He has contributed specialist reports on the mosaics from several sites, including Chedworth, Low Ham, Dewlish and Colliton Park, Dorchester, and the building report for the large villa complex at Eccles, Kent. He has also written articles on a variety of archaeological aspects of Roman Britain in addition to those concerning mosaics, appearing in the proceedings of several county archaeological societies, Britannia , Antiquaries Journal , Mosaic , the Association for Roman Archaeology (ARA) publications, among others. For many years he was secretary, editor and later vice-chairman of ASPROM (the Association for the Study and Preservation of Roman Mosaics).