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Sir Alexander Crichton (2 December 1763 – 1856) was a Scottish physician and author, born in Newington, Edinburgh. He was the first person to describe a condition similar to the inattentive subtype of attention-deficit hyperactivity disorder (ADHD), in his book An inquiry into the nature and origin of mental derangement: comprehending a concise system of the physiology and pathology of the human mind and a history of the passions and their effects (1798).[1] Crichton received his M.D. from Leyden, Holland, in 1785. He perfected his medical skills by studying throughout Europe. In 1803, Dr. Crichton was invited to become a physician to the emperor of Russia, and 1804 came an appointment as personal physician to Tsar Alexander I of Russia and to Maria Feodorovna, the Dowager Empress. When retiring from this post, he returned to England. Crichton wrote several books dealing with medical and geological subjects.

Crichton's extensive collection of minerals consisted mainly of specimens from Siberia, Russia, Norway, Hungary, Germany, the UK, the US and India. These were acquired during his tenure as physician to Alexander I of Russia and during his travels throughout Europe when he was studying medicine.[2]

See also


  1. ^ Berrios G.E. (2006) Alexander Crichton and Mind in general. History of Psychiatry 17: 469-498
  2. ^ Wilson, Wendell E. (01 November 1994). "The History of Mineral Collecting: 1530-1799". The Mineralogical Record 25 (6): 81. Retrieved 2008-11-23.  


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