Johann Wilhelm Michaelsen (9 October 1860, Hamburg - 18 February 1937) was a German zoologist who was a world authority on the Oligochaeta which includes the earthworms. He named and described more than a thousand new species.
Born |
9 October 1860 Hamburg, Germany
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Died |
18 February 1937 (aged 76)
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Zodiac | Libra |
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