While the majority of these textbooks failed to reference either Ernst Haeckel or his contributions to embryology, they often did mention Haeckel in sections dedicated to the theory of evolution and the promotion of Soviet ideals such as materialism....
Ernst Heinrich Haeckel- German biologist and philosopher; advocated Darwinism and formulated the theory of recapitulation; was an exponent of materialistic monism (1834-1919) Haeckel Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. ...
Scientific traditions in conflict: the Rusconi–von Baer controversy on the embryology of frogs and the development of the cell theory cleavage furrows in the division of frog eggs was the cause of a heated argument between the Italian naturalist Mauro Rusconi and Karl Ernst von Baer. ... E ...
Haeckel's main addition was his claim that ontogeny recapitulates phylogeny. It was partly founded on pre-Darwinian observations by J. F. Meckel and K. E. v. Baer who noticed that vertebrate embryos of different species resemble each other more strongly during early ontogenesis than later on. ...
Ernst Haeckel was a German zoologist and evolutionist who was a strong proponent of Darwinism and who proposed new notions of the evolutionary descent of human beings. He declared that ontogeny (the embryology and development of the individual) briefly,
Karl Ernst von Baer was a Prussian-Estonian embryologist who discovered the mammalian ovum and the notochord and established the new science of comparative embryology alongside comparative anatomy. He was also a pioneer in geography, ethnology, and physi