sentences:  Roger Cotterrell studied law at University College London as an undergraduate and postgraduate and began his teaching career at the University of Leicester as a lecturer in law in 1969.After returning to London in 1973, he studied sociology and politics at Birkbeck College (1975-8) while teaching law full-time at Queen Mary College.Thereafter he was one of the small group of law and sociology academics in Britain who first specialised in the new field of sociology of law from the 1970s.