German biologist and philosopher; advocated Darwinism and formulated the theory of recapitulation; was an exponent of materialistic monism (1834-1919)
[ Syn: haeckel , ernst heinrich haeckel ]
German biologist and philosopher; advocated Darwinism and formulated the theory of recapitulation; was an exponent of materialistic monism (1834-1919)
[ Syn: haeckel , ernst heinrich haeckel ]