Stephen William Buchanan Coleridge (1854–1936) was an English author, barrister, opponent of vivisection, and co-founder of the National Society for the Prevention of Cruelty to Children.
Coleridge was the second son of John Duke Coleridge, Lord Chief Justice of England, and Jane Fortescue Seymour, an accomplished artist. His grandfather was nephew to the famous poet Samuel Taylor Coleridge.
Coleridge came to widespread public attention in England in 1903, when he accused William Bayliss of the Department of Physiology at University College London of having broken the law during an experiment on a dog, thereby sparking the Brown Dog affair. Bayliss sued for libel and was awarded damages of £2,000.
Early life and education 
At fourteen he was sent to the public school Bradfield College; this seems to have rankled since his father, grandfather and elder brother were all educated at the more prestigious Eton. He attended Trinity College, Cambridge where he graduated in 1878.
- [C/CO/COLERIDGE JOHN DUKE COLERIDGE 1ST BARON.htm - LoveToKnow 1911 at 9.1911encyclopedia.org "John Duke Coleridge, 1st Baron Coleridge"]. Encyclopaedia Britannica. 1911.
- Venn, J.; Venn, J. A., eds. (1922–1958). "Coleridge, Stephen William Buchanan". Alumni Cantabrigienses (10 vols) (online ed.). Cambridge University Press.
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