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Bernard Kettlewell

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Bernard Kettlewell
photo credit: luvsydb
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Age 72
Birthday 24 February, 1907
Died 11 May, 1979
Zodiac Sign Pisces
Nationality British
Occupation Doctor
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Henry Bernard Davis Kettlewell (24 February 1907 – 11 May 1979) was a British geneticist, lepidopterist and medical doctor, who performed research on the influence of industrial melanism on peppered moth (Biston betularia) colouration, showing why moths are darker in polluted areas. This experiment is cited as a classic example of natural selection. After live video record of the experiment with Niko Tinbergen, Sewall Wright called the study as "the clearest case in which a conspicuous evolutionary process has actually been observed."

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