Ernst Haeckel
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Ernst Heinrich Philipp August Haeckel was a German zoologist, naturalist, eugenicist, philosopher, physician, professor, marine biologist and artist. He discovered, described and named thousands of ne
Ernst Haeckel 5
Ernst Haeckel, Christmas of 1860, at the age of 26.
Ernst Haeckel in later life
Sea anemones from Ernst Haeckel's Kunstformen der Natur (Art forms in Nature) of 1904
Recapitulation theory
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The theory of recapitulation, also called the biogenetic law or embryological parallelism— usually summarized as "ontogeny recapitulates phylogeny"— is a historical hypothesis that the development of
Ernst Haeckel
…phylum, phylogeny, ontogeny, and Protista. Haeckel promoted and popularised Charles Darwin's work in Germany and developed the disproven but influential recapitulation theory (summed up by the dictum "ontogeny recapitulates phylogeny"), later generalizing it into the so called "Biogenetic Law". He wrongly claimed that an…
George Romanes's 1892 copy of Ernst Haeckel's controversial embryo drawings
Drawing by Wilhelm His of chick brain compared to folded rubber tube, 1874. Ag (Anlage) = Optic lobes, matching bulges in rubber tube.
Darwin's finches by Gould