Thomas Laycock (physiologist)

Prof Thomas Laycock FRSE FRCPE (1812–1876) was an English physician and neurophysiologist who was a native of Bedale near York. Among medical historians, he is best known for his influence on John Hughlings Jackson and the psychiatrist James Crichton-Browne. Laycock’s interests were the nervous system and psychology.

Laycock was born in Wetherby in Yorkshire, the son of a Wesleyan minister.

He trained as an apprentice surgeon-apothecary in Bedale, followed by medical studies at the University College London. He continued his education in Paris, where his instructors included Alfred Armand Velpeau (1795–1867) and Pierre Charles Alexandre Louis (1787–1872), renowned as an initiator of statistics. In 1839 he received his medical doctorate from the University of Göttingen. Afterwards he returned to York as a lecturer at York Medical School as well as a physician to the York Dispensary; from 1855 until his death in 1876, he held the Chair of Medicine in Edinburgh University.

In 1852, Laycock first encountered Hughlings Jackson, a new student; he also taught Jonathan Hutchinson whom Jackson was to meet in 1859 and share a house with at 14 Finsbury Circus, London for three years. In Edinburgh, Laycock was friendly with the asylum reformer William A.F. Browne (1805-1885) and was a major influence on his son, the psychiatrist James Crichton-Browne (1840-1938).

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