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Étienne Geoffroy Saint-Hilaire ( 1772 – 1884 ) theorized this in 1795 as the " unity of organic composition ," the influence of which is perceptible in all his subsequent writings ; nature, he observed, presents us with only one plan of construction, the same in principle, but varied in its accessory parts.
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Étienne and Geoffroy
The first-ever affinity table, which was based on displacement reactions, was published in 1718 by the French chemist Étienne François Geoffroy.
* Étienne François Geoffroy — Geoffroy's 1718 Affinity Table
Haeckel advanced a version of the earlier " recapitulation theory ", previously set out by Étienne Serres in the 1820s and supported by followers of Geoffroy including Robert Edmond Grant, which proposed a link between ontogeny ( development of form ) and phylogeny ( evolutionary descent ), summed up by Haeckel in the phrase " ontogeny recapitulates phylogeny ".
* 1672 – Étienne François Geoffroy, French chemist ( d. 1731 )
It was supported by Étienne Geoffroy Saint-Hilaire and became a prominent part of his ideas which suggested that past transformations of life could have had environmental causes working on the embryo, rather than on the adult as in Lamarckism.
When Hutchinson claimed all materials were property of the British Crown, a French scholar, Étienne Geoffroy Saint-Hilaire, said to Clarke and Hamilton that they would rather burn all their discoveries — referring ominously to the destruction of the Library of Alexandria — than turn them over.
* January 6 – Étienne François Geoffroy, French chemist ( b. 1672 )
* February 13 – Étienne François Geoffroy, French chemist ( d. 1731 )
It was supported by Étienne Geoffroy Saint-Hilaire as part of his ideas of idealism, and became a prominent part of his version of Lamarckism leading to disagreements with Georges Cuvier.
During this period, too, she also met and became friends with the father and son comparative anatomists and zoologists Étienne Geoffroy Saint-Hilaire and Isidore Geoffroy Saint-Hilaire by whom her father was employed to create natural history illustrations.
Étienne Geoffroy Saint-Hilaire coined the term in 1836.
Lamarck founded a school of French Transformationism which included Étienne Geoffroy Saint-Hilaire, and which corresponded with a radical British school of anatomy based in the extramural anatomy schools in Edinburgh which included the surgeon Robert Knox and the comparative anatomist Robert Edmund Grant.
Fourcroy's 1785 publication, Entomologia Parisiensis, sive, Catalogus insectorum quae in agro Parisiensi reperiuntur ..., co-written with Étienne Louis Geoffroy, was a major contribution to systematic entomology.
In 1798, Étienne Geoffroy Saint-Hilaire ( 1772 – 1844 ) made a colour plate of the offspring of a lion and a tiger.
Colour plate of the offspring of a lion and tiger, Étienne Geoffroy Saint-Hilaire
In 1798, Étienne Geoffroy Saint-Hilaire noted on vestigial structures:
Scientific research was continued by Étienne Geoffroy Saint-Hilaire ( 1772 – 1844 ) and Paul Broca ( 1824 – 1880 ), founder of the Anthropological Society in France in 1859.
He was born in Paris, the son of Étienne Geoffroy Saint-Hilaire.
* La Vie d ' Étienne Geoffroy Saint-Hilaire ( 1847 ) ;
Étienne Geoffroy Saint-Hilaire ( 15 April 1772 – 19 June 1844 ) was a French naturalist who established the principle of " unity of composition ".
* Étienne Geoffroy Saint Hillaire Collection, American Philosophical Society
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Étienne and Saint-Hilaire
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Étienne and 1772
Geoffroy's cat is named after the 19th century French zoologist Étienne Geoffroy Saint-Hilaire ( 1772 – 1844 ).
These results were later used as scientific racism, with research continued by Étienne Geoffroy Saint-Hilaire ( 1772 – 1844 ) and Paul Broca ( 1824 – 1880 ).
Étienne and –
* 1941 – Étienne Roda-Gil, French songwriter and screenwriter ( d. 2004 )
* 1509 – Étienne Dolet, French scholar ( d. 1546 )
* 1546 – Étienne Dolet, French scholar and printer ( b. 1509 )
* 1780 – Étienne Bonnot de Condillac, French philosopher ( b. 1715 )
* 1798 – Étienne Bobillier, French mathematician ( d. 1840 )
His father, Étienne Pascal ( 1588 – 1651 ), who also had an interest in science and mathematics, was a local judge and member of the " Noblesse de Robe ".
French mathematician Étienne Bézout ( 1730 – 1783 ) proved this identity for polynomials.
* Étienne Balibar –
* 1884 – Étienne Gilson, French philosopher ( d. 1978 )
* 1763 – Étienne Méhul, French composer ( d. 1817 )
* 1768 – Étienne Marie Antoine Champion de Nansouty, French commander ( d. 1815 )
* 1840 – Étienne Bobillier, French mathematician ( b. 1798 )
* 1730 – Étienne Bézout, French mathematician ( d. 1783 )
* 1530 – Étienne de La Boétie, French judge and writer ( d. 1563 )
* 1599 – Étienne Moulinié, French Baroque composer ( d. 1676 )
The first formal formulation was proposed by Étienne Serres in 1824 – 26 as what became known as the " Meckel-Serres Law ", it attempted to provide a link between comparative embryology and a " pattern of unification " in the organic world.
Pope Innocent VI ( 1282 or 1295 – 12 September 1362 ), born Étienne Aubert, was Pope from 18 December 1352 until his death.
* 1715 – Étienne Bonnot de Condillac, French philosopher ( d. 1780 )
* 1814 – Charles Étienne Brasseur de Bourbourg, French writer, archaeologist, and historian ( d. 1874 )
* January 27 – Étienne Clavière, French financier and politician ( d. 1793 )
* July – Étienne Jodelle, French dramatist and poet ( b. 1532 )
* September 8 – Charles Étienne Brasseur de Bourbourg, French writer and historian ( d. 1874 )
* April 17 – Étienne Maurice Gérard, Marshal of France and Prime Minister of France ( b. 1773 )
* January 9 – Jean Étienne Championnet, French general ( b. 1762 )
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