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Mar 28, 2024 · spontaneous generation. vitalism. John Needham (born September 10, 1713, London, England—died December 30, 1781, Brussels, Belgium) was an English naturalist and Roman Catholic divine, the first clergyman of his faith to become a fellow of the Royal Society of London (1768).
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Born in London on 10 September in 1713, John Turbeville Needham was a Roman Catholic priest. He was one of four children to John Needham, a barrister and Martha Lucas. His father died when John was a child and young John became a Franciscan. John studied at the English College at Douai in northern France from 1722 to 1736. He was ordained in 1738, ...
From 1736 Needham taught at a college in Cambrai, France and in 1740 he moved to England as an assistant master to a Catholic school near at Twyford, Winchester. He spent a short time teaching in Lisbon in 1744, returning to England in 1745 for health reasons. His microscopic observations of blighted wheat while he was in Twyford and his investigat...
Needham’s microscopic observations were published in “An Account of some New Microscopical Discoveries” in 1745 and further studies were recorded in detail his work “Observations upon the generation, composition and decomposition of animal and vegetable substances” in 1749. Needham established from his observations that micro-organisms do not grow ...
John Turberville Needham FRS (10 September 1713 – 30 December 1781) was an English biologist and Roman Catholic priest. He was first exposed to natural philosophy while in seminary school and later published a paper which, while the subject was mostly about geology, described the mechanics of pollen and won recognition in the botany community.
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In 1745, John Needham (1713–1781) published a report of his own experiments, in which he briefly boiled broth infused with plant or animal matter, hoping to kill all preexisting microbes. 2 He then sealed the flasks. After a few days, Needham observed that the broth had become cloudy and a single drop contained numerous microscopic creatures.
Nov 21, 2023 · Learn about John Needham's experiment. Understand how Spallanzani's experiment contradicted Needham's results. Also, learn the three components of the cell theory. Updated: 11/21/2023
- John Needham combined grain, broth and meat and boiled the mixture for several minutes. He poured the broth into flasks and sealed them with corks,...
- The Spallanzani experiment was a replication of the Needham experiment, but with a few important changes. The Spallanzani experiment used aseptic t...
- Spallanzani saw two main issues with Needham's Experiment. First, Needham's mixture wasn't boiled long enough to kill all the microbial life within...
- Despite being a firm believer in spontaneous generation, John Needham inadvertently contributed to the development of cell theory by developing an...
1713-1781. English Naturalist. T he English naturalist John Needham conducted a series of experiments that seemed to provide proof of spontaneous generation—the sudden appearance of organisms from nonliving materials. His work spurred that of Italian scientist Lazzaro Spallanzani (1729-1799), who conducted similar experiments, but had ...
Dec 25, 2022 · John Needham is the English scientist who performed experiments on spontaneous generation or abiogenesis in mutton broth and hay infusions. Needham showed that mutton broth boiled in flask and then sealed could still develop microorganisms, which supported the theory of spontaneous generation.
