Complex sentence: From 1977 to 1985 he was a Lecturer in Physical Anthropology at the University of Durham, before returning to Cambridge to take up a post in the Department of Biological Anthropology.
Split into simpler sentences: From 1977 to 1985, Foley was a lecturer in anthropology at the University of Durham. He then returned to the University of Cambridge to take up a post in the Department of Biological Anthropology.