Karl Kessler
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Karl Fedorovich Kessler was a Baltic German zoologist and professor of biology at Saint Petersburg Imperial University. He is best known for advancing the idea that evolution at the infraspecific leve
Kessler in 1868
Anna Filosofova
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Anna Pavlovna Filosofova was a Russian feminist and activist of the 19th and early 20th centuries.
1876 portrait
Filosofova in later life