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Leeuwenhoek biography cortazar
He discovered blood cells and microscopic nematodes, and studied the structure of wood and crystals. He also made over microscopes to view specific objects. He also discovered sperm, which he considered one of the most important discoveries of his career, and described the spermatozoa from molluscs, fish, amphibians, birds and mammals, coming to the novel conclusion that fertilisation occurred when the spermatozoa penetrated the egg.
Search term:. Read more. This page is best viewed in an up-to-date web browser with style sheets CSS enabled. He was christened as Thonis , but always went by Antonj corresponding with the English Antony. The final j of his given name is the Dutch tense i.
Leeuwenhoek biography cortazar david
Until he consistently used the spelling Antonj Leeuwenhoeck ending in —oeck when signing his letters. Throughout the mids he experimented with the spelling of his surname, and after settled on the most recognized spelling, Van Leeuwenhoek. This is one of the examples of the controversial Hockney—Falco thesis , which claims that some of the Old Masters used optical aids to produce their masterpieces.
Assuming that the date of is accurately reported from Pommerville , that book seems more likely to be in error than the intensely detailed, scholarly researched website focused entirely on Van Leeuwenhoek. S2CID The Journal of Protozoology. PMID He actually measured the multiplication of the bugs.
What is more amazing is that he published his discoveries. Life at the Edge of Sight. Harvard University Press. ISBN Retrieved 26 January Biography Online. Retrieved 27 April Antoni van Leeuwenhoek: Master of the Minuscule.
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Lens on Leeuwenhoek. Retrieved 9 October Retrieved 29 July Events of the first half of Van Leeuwenhoek's life. Lens on Leeuwenhoek 1 September Retrieved 14 February Vermeer, Van Leeuwenhoek en De Astronoom. Vrij Nederland Dutch magazine , pp. Archived from the original on 7 July Retrieved 13 June Archived from the original on 4 May Retrieved 23 April This book contains excerpts of Van Leeuwenhoek's letters and focuses on his priority in several new branches of science, but makes several important references to his spiritual life and motivation.
Science Advances. Bibcode : SciA PMC In: Mikrokosmos.
Leeuwenhoek biography cortazar wikipedia: Antonie van Leeuwenhoek, Dutch microscopist who was the first to observe bacteria and protozoa. His researches on lower animals refuted the doctrine of spontaneous generation, and his observations helped lay the foundations for the sciences of bacteriology and protozoology.
Volume 88, , S. Acta Eruditorum. Retrieved 8 May Retrieved 3 March Measuring the Invisible World. London and New York: Abelard-Schuman, James Ford Biology History. Archived from the original on 2 May Archived from the original on 11 June Belkin Nauka i Zhizn in Russian. Archived from the original on 23 September Egerton Journal of the History of Biology.
JSTOR Bulletin of the Ecological Society of America. Archived from the original on 20 August Retrieved 26 September He was secretive about his process, never divulging what allowed him such success. Some credit his achievements to his exceptional manual dexterity, patience, mathematical exactitude, and good eyes.
Leeuwenhoek did not attend a university. Despite being very intelligent and inquisitive, he was virtually unaware of other scientific research. As a result, much of his work is very independent from the theories and ideas of others, and he sometimes re-investigated topics and phenomena already studied. Leeuwenhoek did have assistance from scientific peers and friends such as Regnier de Graaf and Constantijn Huygens, but he relied heavily on translated works.
He did not editorialize on meanings of his observations and acknowledged he was not a scientist but merely an observer.
Leeuwenhoek biography cortazar von
Leeuwenhoek was not an artist either, but he worked with one on the drawings he submitted in his letters. Van Leeuwenhoek also contributed to science in one other way. In the final year of his life, he described the disease that took his life. Van Leeuwenhoek suffered from uncontrollable contractions of the diaphram, a condition now known as Van Leeuwenhoek disease.
He died of the disease, also called diaphragmatic flutter, on August 30, , in Delft. Some of Leeuwenhoek's discoveries could be verified at the time by other scientists, but some discoveries could not because his lenses were so superior to others' microscopes and equipment.
Some people had to come to him to see his work in person. Just 11 of Leeuwenhoek's microscopes exist today. His instruments were made of gold and silver, and most were sold by his family after he died in Other scientists did not use his microscopes, as they were difficult to learn to use. Some improvements to the device occurred in the s, but big improvements that led to today's compound microscopes didn't happen until the middle of the 19th century.
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