John George Children | |
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 Portrait, 1826 | |
| Born | 18 May 1777 Ferox Hall, Tonbridge, Kent |
| Died | 1 January 1852 (aged 74) |
| Nationality | British |
| Alma mater | Queens' College, Cambridge |
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| Awards | Royal Institution Medal (1828) |
| Scientific career | |
| Fields | Chemist, mineralogist and zoologist |
| Institutions | British Museum |
John George Children FRS FRSE FLS PRES (18 May 1777 – 1 January 1852 in Halstead, Kent) was a British chemist, mineralogist and zoologist. He invented a method to extract silver from ore without the need for mercury. He was a friend of Sir Humphry Davy, who helped him secure a controversial appointment to a post in the British Museum. Children was also the founding president of the Royal Entomological Society.