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Johann Karl Ernst Dieffenbach (Gießen January 27, 1811 - Gießen January 10, 1855) was a German physician, geologist and naturalist, the first trained scientist to live and work in New Zealand, where he travelled widely under the auspices of the New Zealand Company, returning in 1841–42 and publishing in English his Travels in New Zealand in 1843.
Dieffenbach had gained a degree at the university of Giessen and then, accused by authorities in the Grand Duchy of Hesse of being subversive, he fled, first to Zurich, where he received a degree in medicine before being expelled in 1836 for politics and duelling; in 1837 he arrived in London, where he eked out a living teaching German, but gained a reputation by his contributions to medical and scientific journals and made friendships with geologists Charles Lyell and Richard Owen among others. Recommendations put him aboard the Tory bound for New Zealand, travelling in the capacity of surgeon, surveyor and naturalist.
During the 1840s he was a correspondent of Charles Darwin, whose Journal of Researches Dieffenbach translated into German and published, with Darwin's notes and corrections, as Naturwissenschaftlichen Reisen (Brunswick, 1853). Darwin knew Dieffenbach's paper on the Chatham Islands, contributed to the journal of the Royal Geographical Society, and he particularly noted Dieffenbach's commentary on the differences between the species of birds there and in New Zealand. Dieffenbach also translated the Geological Manual of Henry De la Beche. Partly as a result of these efforts, in 1850 he was named adjunct professor of geology at Gießen, a post he held until his death.
The extinct Dieffenbach's Rail, Gallirallus dieffenbachii, a flightless rail formerly endemic to the Chatham Islands, was named after him. The plant genus Dieffenbachia also commemorates him.
External links
- Correspondence with Charles Darwin
- Encyclopaedia of New Zealand 1966: Ernst Dieffenbach
- Dictionary of New Zealand Biography
Wikipedia content modification information:
- This page was last modified on 15 May 2008, at 12:58.
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