|Born||13 May 1851|
Downe, England, United Kingdom
|Died||22 September 1928|
|Children||Erasmus Darwin IV, Ruth Frances Darwin, Nora Barlow|
|Parent(s)||Charles Darwin and Emma Darwin|
Sir Horace Darwin, Trinity College, Cambridge.(13 May 1851 – 22 September 1928), was an English engineer specializing in the design and manufacture of precision scientific instruments. He was a Fellow of
He was educated at a private school in Woodbridge, Suffolk, and at Trinity College, Cambridge, where he graduated BA in 1874. In 1881 he co-founded the Cambridge Scientific Instrument Company which he led from 1891. He was Mayor of Cambridge between 1896 and 1897, became a Fellow of the Royal Society in 1903 and was knighted in 1918.
He is buried at the Parish of the Ascension Burial Ground in Cambridge with his wife, Lady Ida Darwin; his brother Sir Francis Darwin is interred in the same graveyard. His other brother Sir George Darwin is buried in the Trumpington Extension Cemetery, Cambridge.
- Erasmus Darwin IV (7 December 1881 – 24 April 1915) was killed in the Second Battle of Ypres during the First World War.
- Ruth Frances Darwin (1883–1972), married Dr William Rees-Thomas, was a notable advocate of eugenics.
- Emma Nora Darwin (1885–1989) edited the 1959 edition of The Autobiography of Charles Darwin and married the civil servant Sir Alan Barlow.
- Pearson, Karl (1902). "On the mathematical theory of errors of judgment, with special reference to the personal equation". Philosophical Transactions of the Royal Society of London. 198: 235–299.
- "Darwin, Horace (DRWN868H)". A Cambridge Alumni Database. University of Cambridge.
- Obituary: Sir Horace Darwin, K.B.E., F.R.S. Nature 122, 580–581 (1928). https://doi.org/10.1038/122580a0
- CWGC :: Casualty Details at www.cwgc.org