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Haeck·el(hĕk′əl), Ernst Heinrich 1834-1919.
German philosopher and naturalist who supported Darwin's theory, mapped a genealogical tree relating all animal life, and developed the maxim "Ontogeny recapitulates phylogeny."
(Biography) Ernst Heinrich (ɛrnst ˈhainrɪç). 1834–1919, German biologist and philosopher. He formulated the recapitulation theory of evolution and was an exponent of the philosophy of materialistic monism
Ernst Heinrich, 1834–1919, German biologist and philosopher of evolution.