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Down, John Langdon Haydon Langdon-locked

  • James Ogden
  • , revised by Mathew Thomson


Down, John Langdon Haydon Langdon- (1828–1896), physician and expert in mental science, was born in Torpoint, Cornwall, on 18 November 1828, the youngest of seven children (three daughters and four sons) of Joseph Almond Down (d. 1853), apothecary, and his wife, Hanna Haydon...

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W. Munk, , 2 vols. (1861) 2nd edn, 3 vols. (1878)