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Mungo Ponton
Mungo Ponton FRS (20 November 1801 – 3 August 1880) was a Scottish inventor who in 1839 created a method of permanent photography based on potassium dichromate.
==Private Life==
Mungo Ponton was a farmer's son, born and raised in Edinburgh. He became a legal apprentice and was admitted to the Society of Writers to the Signet, a legal fraternity, on 8 December 1825. He married Helen Scott Campbell on 24 June 1830 and the couple had seven children.
In the 1830s Ponton was listed as living at 30 Melville Street, a large new terraced townhouse in Edinburgh's west end, presumably the family's home.〔http://digital.nls.uk/directories/browse/pageturner.cfm?id=83401407&mode=transcription〕 His first wife died on 7 August 1842 and on 7 November 1843 he married his second wife, Margaret Ponton (possibly related), with whom he had a son. Ponton suffered a breakdown around 1845 and moved to Bristol, England for its milder climate. He married his third wife, Jean McLean, on 1 August 1871.
Ponton died at his home in Clifton, Bristol on 3 August 1880.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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