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Ernst Heinrich Philipp August Haeckel (German: [ɛʁnst ˈhɛkl̩]; 16 February 1834 – 9 August 1919) [1] was a German zoologist, naturalist, eugenicist, philosopher, physician, professor, marine biologist and artist.
Ernst Heinrich Philipp August Haeckel (February 16, 1834 — August 8, 1919), also written von Haeckel, was an eminent German biologist and philosopher. He promoted Charles Darwin's work in Germany and developed the theory that the organism's biological development, or ontogeny , parallels its species' evolutionary development, or phylogeny .
An opponent of Ernst Haeckel (1834–1919), Adickes in his Kant contra Haeckel: Erkenntnistheorie gegen naturwissenschaftlichen Dogmatismus (Berlin: Reuther & Reichard, 1901) [4] wrote: "I have no more belief than he in a personal extra-mundane God, a creation of the world by him, or an immaterial soul separated from the body."
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 ...
This contention may look convincing at first glance inasmuch as On the Origin of Species is full of observations and proposed mechanisms that clearly fit within the boundaries of modern ecology (e.g. the cat-to-clover chain – an ecological cascade) and because the term ecology was coined in 1866 by a strong proponent of Darwinism, Ernst Haeckel.
Pithecanthropus is a genus that German biologist Ernst Haeckel (1834-1919) had created in 1868. [1] Years later, in the 20th century, the German physician and paleoanthropologist Franz Weidenreich (1873-1948) compared in detail the characters of Dubois' Java Man, then named Pithecanthropus erectus , with the characters of the Peking Man , then ...
In 1867 his daughter, Agnes Huschke, married famed biologist Ernst Haeckel (1834–1919). Although Huschke was a devoted advocate of nature philosophy, and sought to find the connection between brain and soul (Hirn und Seele), he made significant contributions in comparative anatomy. He was the first to describe a handful of anatomical ...
Hatschek was deeply influenced by the works of Ernst Haeckel (1834–1919). In 1885 he was appointed professor of zoology at Charles University in Prague, and from 1896 was a professor and director of the second zoological institute at the University of Vienna. Hatschek suffered from severe depression, which greatly affected his work in the ...