Gretton had his early education at West House School and King Edward's, Birmingham.
In 1972 he graduated with a 2:1 degree in Philosophy and English Literature at the University of Durham (Hatfield College).
[2] The report was received favourably by the Scottish Parliament, and the majority of its recommendations were enacted into the Land Registration etc.
He and Professor Kenneth Reid have known each other since they were both students together at the University of Edinburgh.
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