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The theory of recapitulation, also called the biogenetic law or embryological parallelism—often expressed using Ernst Haeckel's phrase "ontogeny recapitulates phylogeny"—is a historical hypothesis that the development of the embryo of an animal, from fertilization to gestation or hatching (), goes through stages resembling or representing successive adult stages in the evolution of the ...
The first half of the book explores Ernst Haeckel's biogenetic law (recapitulation)—the discredited idea that embryonic developmental stages replay the evolutionary transitions of adult forms of an organism's past descendants—and how this idea influenced thinking in biology, theology, and psychology.
The Jena Declaration, published by the German Zoological Society, rejects the idea of human "races" and distances itself from the racial theories of Ernst Haeckel and other 20th century scientists. It claims that genetic variation between human populations is smaller than within them, demonstrating that the biological concept of "races" is invalid.
Social Darwinism allowed people to counter the connection of Thron und Altar, the intertwined establishment of clergy and nobility, and provided as well the idea of progressive change and evolution of society as a whole. Ernst Haeckel propagated both Darwinism as a part of natural history and as a suitable base for a modern Weltanschauung, a ...
Haeckel divided human beings into ten races, of which the Caucasian was the highest and the primitives were doomed to extinction. [80] Haeckel was also an advocate of the out of Asia theory by writing that the origin of humanity was to be found in Asia; he believed that Hindustan (South Asia) was the actual location where the first humans had ...
Perrault's French fairy tales, for example, were collected more than a century before the Grimms' and provide a more complex view of womanhood. But as the most popular, and the most riffed-on, the Grimms' are worth analyzing, especially because today's women writers are directly confronting the stifling brand of femininity they proliferated.
The materialism controversy (German: Materialismusstreit) was a debate in the mid-19th century regarding the implications for current worldviews of the natural sciences.In the 1840s, a new type of materialism was developed, influenced by the methodological advancements in biology and the decline of idealistic philosophy.
Daniel E. Gasman (1933 – 19 December 2012) [1] was an American historian at John Jay College and the Graduate Center at City University of New York. [2] He earned his PhD from University of Chicago in modern intellectual history. [2]