Emeritus Professor.
Professor of Computing and Data Processing at the University of Newcastle upon Tyne (1980-2000).
Director of Management Information Services, University of Newcastle upon Tyne (1992-1995).
Director of the Computing Laboratory, University of Newcastle upon Tyne (1980-1992).
Professor of Computer Studies at the University of Groningen (1972-1979).
Lecturer in Computer Science at the University of Edinburgh (1964-1972).
Senior Research Fellow in English Language, University of Edinburgh (1963-1964).
Technical Officer, Imperial Chemical Industries Limited (1961-1963).
Programmer, MRC Statistical Reseach Unit (1960-1961).
Fellow of the British Computer Society and a Chartered Information Systems Engineer.
Monday, 2 April 2012.