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- Oscar_Hertwig abstract "Oscar Hertwig (21 April 1849, in Friedberg – 25 October 1922, in Berlin) was a German zoologist and professor, who also wrote about the theory of evolution circa 1916, over 55 years after Charles Darwin's book The Origin of Species. He was the elder brother of zoologist-professor Richard Hertwig (1850–1937).The Hertwig brothers were the most eminent scholars of Ernst Haeckel (and Carl Gegenbaur) from the University of Jena. They were independent of Haeckel's philosophical speculations but took his ideas in a positive way to widen their concepts in zoology. Initially, between 1879–1883, they performed embryological studies, especially on the theory of the coelom (1881), the fluid-filled body cavity. These problems were based on the phylogenetic theorems of Haeckel, i.e. the biogenic theory (German = biogenetisches Grundgesetz), and the "gastraea theory".Within 10 years, the two brothers moved apart to the north and south of Germany.Oscar Hertwig later became a professor of anatomy in 1888 in Berlin; however, Richard Hertwig had moved 3 years prior, becoming a professor of zoology in Munich from 1885–1925, at Ludwig Maximilians Universität, where he served the last 40 years of his 50-year career as a professor at 4 universities.Richard's research focused on protists (the relationship between the nucleus and the plasm = "Kern-Plasma-Relation"), as well as on developmental physiological studies on sea urchins and frogs. He also wrote a leading Zoology textbook.Oscar Hertwig was a leader in the field of comparative and causal animal-developmental history. He also wrote a leading textbook. He discovered fertilization of sea urchins, he recognized the role of the cell nucleus during inheritance and chromosome reduction during meiosis: in 1876, he found that fertilization includes the penetration of a spermatozoon into an egg cell. While Oscar was well interested in developmental biology, he was opposed to chance as assumed in Charles Darwin´s theory. His most important theoretical book was: "Das Werden der Organismen, eine Widerlegung der Darwinschen Zufallslehre" (Jena, 1916) (translation: "The Origin of Organisms - a Refutation of Darwin's Theory of Chance").Hertwig was elected a member of the Royal Swedish Academy of Sciences in 1903.Oscar Hertwig is known as Oscar Hedwig in the book "Who discovered what when" by David Ellyard. A history of the discovery of fertilization for mammals including scientists like Hertwig and other workers is given by the book "The Mammalian Egg" by Austin.".
- Oscar_Hertwig birthDate "1849-04-21".
- Oscar_Hertwig birthPlace Friedberg,_Hesse.
- Oscar_Hertwig birthPlace Grand_Duchy_of_Hesse.
- Oscar_Hertwig birthPlace Hesse.
- Oscar_Hertwig birthYear "1849".
- Oscar_Hertwig deathDate "1922-10-25".
- Oscar_Hertwig deathPlace Berlin.
- Oscar_Hertwig deathYear "1922".
- Oscar_Hertwig field Zoology.
- Oscar_Hertwig knownFor Protist.
- Oscar_Hertwig nationality Germany.
- Oscar_Hertwig thumbnail Oskar_Hertwig.jpg?width=300.
- Oscar_Hertwig viafId "64802006".
- Oscar_Hertwig wikiPageExternalLink urn:nbn:de:hbz:061:2-19881.
- Oscar_Hertwig wikiPageExternalLink history.
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- Oscar_Hertwig wikiPageID "2807531".
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- Oscar_Hertwig birthDate "1849-04-21".
- Oscar_Hertwig birthPlace Friedberg,_Hesse.
- Oscar_Hertwig birthPlace Grand_Duchy_of_Hesse.
- Oscar_Hertwig caption "Oscar Hertwig".
- Oscar_Hertwig dateOfBirth "1849-04-21".
- Oscar_Hertwig dateOfDeath "1922-10-25".
- Oscar_Hertwig deathDate "1922-10-25".
- Oscar_Hertwig deathPlace Berlin.
- Oscar_Hertwig field Zoology.
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- Oscar_Hertwig imageSize "150".
- Oscar_Hertwig knownFor "protists".
- Oscar_Hertwig name "Hertwig, Oscar".
- Oscar_Hertwig name "Oscar Hertwig".
- Oscar_Hertwig nationality Germany.
- Oscar_Hertwig placeOfBirth Friedberg,_Hesse.
- Oscar_Hertwig placeOfBirth Hesse.
- Oscar_Hertwig placeOfDeath Berlin.
- Oscar_Hertwig shortDescription "German zoologist".
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- Oscar_Hertwig description "German zoologist".
- Oscar_Hertwig description "German zoologist".
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- Oscar_Hertwig subject Category:German_zoologists.
- Oscar_Hertwig subject Category:Members_of_the_Royal_Swedish_Academy_of_Sciences.
- Oscar_Hertwig subject Category:People_from_Friedberg,_Hesse.
- Oscar_Hertwig subject Category:People_from_the_Grand_Duchy_of_Hesse.
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- Oscar_Hertwig comment "Oscar Hertwig (21 April 1849, in Friedberg – 25 October 1922, in Berlin) was a German zoologist and professor, who also wrote about the theory of evolution circa 1916, over 55 years after Charles Darwin's book The Origin of Species. He was the elder brother of zoologist-professor Richard Hertwig (1850–1937).The Hertwig brothers were the most eminent scholars of Ernst Haeckel (and Carl Gegenbaur) from the University of Jena.".
- Oscar_Hertwig label "Oscar Hertwig".
- Oscar_Hertwig label "Oscar Hertwig".
- Oscar_Hertwig label "Oscar Hertwig".
- Oscar_Hertwig label "Oscar Hertwig".
- Oscar_Hertwig label "Oscar Hertwig".
- Oscar_Hertwig label "Oscar Hertwig".
- Oscar_Hertwig label "Хертвиг, Оскар Вильгельм Август".
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- Oscar_Hertwig depiction Oskar_Hertwig.jpg.
- Oscar_Hertwig givenName "Oscar".
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- Oscar_Hertwig name "Hertwig, Oscar".
- Oscar_Hertwig name "Oscar Hertwig".
- Oscar_Hertwig surname "Hertwig".