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Leonard Darwin was born in 1850 at Down House, Kent, into the wealthy Darwin–Wedgwood family. He was the fourth son and eighth child of the naturalist Charles Darwin and his wife Emma Wedgwood, and the last of Darwin's immediate offspring to die. He considered himself the least intelligent of their children – brothers Frank, George and Horace were all elected Fellows of the Royal Society. He was sent to Clapham School in 1862.
Darwin joined the Royal Engineers in 1871. Between 1877 and 1882 he worked for the Intelligence Division of the Ministry of War. He went on several scientific expeditions, including those to observe the Transit of Venus in 1874 and 1882.
In 1890, Darwin was promoted to the rank of major, but soon left the army and from 1892 to 1895 was a Liberal Unionist Member of Parliament (MP) for Lichfield constituency in Staffordshire, where his grandfather, Josiah Wedgwood II, had also been an MP. He wrote vigorously on the economic issues of the day: bimetallism, Indian currency reform and municipal trade.
Darwin married Elizabeth Frances Fraser on 11 July 1882. She died 16 years later, on 13 January 1898. On 29 November 1900, he married his first cousin, Charlotte Mildred Massingberd, granddaughter of Charlotte Wedgwood, his mother's sister. Their shared ancestor was Josiah Wedgwood II. His wife Charlotte's paternal grandfather married his paternal aunt, after her grandmother Charlotte's death. Since Leonard's parents were cousins, Charlotte was also a second cousin on his father's side. Leonard had no children from either marriage.
He was president of the Royal Geographical Society from 1908 to 1911 and chairman of the British Eugenics Society from 1911 to 1928 – succeeding his half-cousin once removed Francis Galton. He became the society's honorary president in 1928. In 1912 the University of Cambridge conferred on him an honorary doctorate of science.
Darwin played an important part in the life of the geneticist and statistician Ronald Fisher, supporting him intellectually, morally and sometimes financially. Fisher, replying to Darwin's congratulations on his election to the Royal Society, replied on 25 February 1929, "I knew you would be glad, and your pleasure is as good to me almost as though my own father were still living."[This quote needs a citation]
Some years before, Fisher had resigned from the Royal Statistical Society after a disagreement. Darwin regretted this and engineered Fisher's re-entry by making him a gift of a life-time subscription. Fisher's 1930 book The Genetical Theory of Natural Selection is dedicated to Darwin. After Darwin's death in 1943 at the age of 93, Fisher wrote to Darwin's niece, Margaret Keynes, "My very dear friend Leonard Darwin... was surely the kindest and wisest man I ever knew."[This quote needs a citation]
Darwin retired to Cripps Corner at Forest Row, East Sussex in 1921, with his second wife Charlotte Mildred Massingberd (died 1940), and lived there until his death in 1943. He and Charlotte were buried at Forest Row Cemetery. Leonard Darwin was the last surviving child of Charles Darwin.
|Wikisource has original text related to this article:|
- The Need for Eugenic Reform. London: Murray. 1926.
- What is Eugenics. London: Watts & Co. 1928.
- Berra, Tim M. (2019). "Commentary: Who was Leonard Darwin? Commentary on Darwin L: 'Heredity and environment: a warning to eugenists' in the Eugenics Review 1916". International Journal of Epidemiology. 48 (2): 362–365. doi:10.1093/ije/dyx241. PMID 29140507.
- Retrieved 15 May 2020.
- Details of career. Retrieved 15 May 2020.
- Tim M. Berra; "Commentary on Darwin L: 'Heredity and environment: a warning to eugenists' in the Eugenics Review 1916", International Journal of Epidemiology, Oxford University Press, 13 November 2017. Retrieved February 2019
- W. F. Edwards: "Darwin, Leonard", Oxford Dictionary of National Biography (Oxford, UK:Oxford University Press), 2004. Pay-walled
- Leonard Darwin, Monthly Notices of the Royal Astronomical Society, 04/01/1944, Vol. 104 (2), pp. 89–90
- Norberto Serpente, "More than a Mentor: Leonard Darwin's Contribution to the Assimilation of Mendelism into Eugenics and Darwinism", Journal of the History of Biology, Vol. 49 (3), 2016, p. 641 (34)
- R. A. Fisher, J. H. Bennet and L. Darwin, Natural Selection, Heredity and Eugenics: Including Selected Correspondence of R. A. Fisher with Leonard Darwin and Others (Oxford, UK: Clarendon Press), 1983
- Leonard Darwin, The Need for Eugenic Reform (London, UK: John Murray), 1926
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