Antoine Lavoisier
Antoine Lavoisier
Antoine-Laurent de Lavoisierwas a French nobleman and chemist central to the 18th-century chemical revolution and had a large influence on both the history of chemistry and the history of biology. He is widely considered in popular literature as the "father of modern chemistry"...
NationalityFrench
ProfessionScientist
Date of Birth26 August 1743
CityParis, France
CountryFrance
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Rouelle on the possibility of transmuting one element to another said, Ordinary chemists doubt the truth of the principles of this science, but they cannot judge in a matter entirely unknown to them. Although I do not wish to cast doubt on the testim
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While I thought myself employed only in forming a nomenclature, and while I proposed to myself nothing more than to improve the chemical language, my work transformed itself by degrees, without my being able to prevent it, into a treatise upon the Elements of Chemistry.
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Thus, while I thought myself employed only in forming a Nomenclature, and while I proposed to myself nothing more than to improve the chemical language, my work transformed itself by degrees, without my being able to prevent it, into a treatise upon the Elements of Chemistry.
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Vegetables are organized bodies that grow on the dry areas of the globe and within its waters. Their function is to combine immediately the four elements and to serve as food for animals.
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The rocks of the original soil, he wrote, are arranged in perpendicular layers or inclined towards the horizon. They are composed of quartz, granite, shale, slate and talcose.
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One part is absorbed in the blood to compensate for the losses that are constantly taking place through respiration and perspiration, and all the material that Nature cannot use is rejected in the form of excrement.
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One will not deny me, I trust, all the theory of oxidation and combustion, the analysis and decomposition of air by metals and combustible bodies, the theory of acidification, more precise knowledge on the nature of a great numbers of acids, notably
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Like almost all others began with metaphysical discussions. The theory has advanced but the practical science is still in its infancy and the modern statesman is constantly short of facts on which he can base his speculations.
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Let us hope especially that the enthusiasm and exaggerations, which so easily seize men congregated in large groups - affecting human passions and leading the crowd against its own interest, sweeping up in their whirlwind the sage and philosopher as
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The definition of the composition of air ensues from this program of research : atmospheric air is not an element, that is, a simple body, but a mixture of several gases. Approximately a quarter of atmospheric air is composed by dephologisticated or
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A man cannot live more than 24 hours unless he has at least three cubic meters of air that is being constantly replaced.
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It took them only an instant to cut of that head, but it is unlikely that a hundred years will suffice to reproduce a singular one.
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We must trust to nothing but facts: these are presented to us by nature and cannot deceive. We ought, in every instance, to submit our reasoning to the test of experiment, and never to search for truth but by the natural road of experiment and observation.
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To be admitted to one of the hospitals, a person will do exactly what he does to be admitted to la Charite : send somebody to find if there is a vacant bed. But also there would be clearing house in the center of Paris. Every evening each hospital wo