Kenneth Diplock, Baron Diplock

Kenneth Diplock, Baron Diplock

William John Kenneth Diplock, Baron Diplock, KC (8 December 1907 – 14 October 1985[1]) was an English judge and Law Lord.

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Early life

Born the son of a Croydon solicitor, he attended Whitgift School and University College, Oxford, where he read chemistry and was later to become an Honorary Fellow.[2]

Career

Diplock was called to the bar by the Middle Temple in 1932 and made a Kings Counsel in 1948. In 1956, he was appointed to the High Court.[2]

He became a Lord of Appeal in Ordinary in 1968[1] and was elevated as a life peer with the title Baron Diplock, of Wansford in the County of Huntingdonshire to the House of Lords.[2]

As Lord Diplock, he chaired a commission set up in 1972 to consider legal measures against terrorism in Northern Ireland, which led to the establishment of the juryless Diplock courts with which his name is now associated.

At the time of his death, Lord Diplock was the longest serving Lord of Appeal.[1]

Contributions to legal thought

He made many contributions to legal thought and pushed the law in new and unique directions.

The current typology of grounds for judicial review is owing to Lord Diplock.

  • Procedural impropriety[3]
  • Nemo judex (Bias rule)[4]
  • Audi alteram partem (Hearing rule)[5]
  • Illegality[6]
  • Ultra vires
  • Simple ultra vires
  • Extended ultra vires
  • Procedural ultra vires
  • Fettering
  • Irrationality[6]
  • Wednesbury irrationality
  • Lack of proportionality

Notable judgments

See also

References

External links