When1: 1862
When2: 1868
Who: Ernst Haeckel [Haeckel, Ernst]
What: biologist
Where: Berlin, Germany
works\ Radiolaria [1862]; History of Creation [1868]
Detail: He lived 1834 to 1919 and studied marine invertebrates. Ontogeny recapitulates phylogeny {theory of recapitulation}. Sperm are mostly nucleic acid [1868].
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Date Modified: 2022.0224