August Weismann

English: August Weismann (born January 17, 1834 in Frankfurt am Main; died November 5, 1914 in Freiburg im Breisgau,) was a German biologist. Ernst Mayr ranked him the second most notable evolutionary theorist of the 19th century, after Charles Darwin.

Gallery

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  August Weismann, young
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  August Weismann
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  August Weismann, sculpted by Joseph Kowarzik, c. 1904
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  August Weismann, 1908
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  August Weismann, Zoologist, 1834-1914