Eoin Grogan specialises in landscape archaeology, social and political analysis of prehistoric societies, GIS, and the Late Bronze Age. He worked in the Department of Archaeology, University College Dublin as a researcher (1974-89) and Deputy Director on the excavations at Knowth, Co. Meath (1980-85). He is currently working at the Centre for Irish Cultural Heritage and the Department of Early Irish at Maynooth University. Dr Grogan contributed to the Discovery Programme Reports No. 2 and No. 5.