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Hace 3 días · Claude-Louis Berthollet est un chimiste français né à Talloires le 9 décembre 1748 et mort à Arcueil le 6 novembre 1822. Il suit des cours de chimie auprès de Pierre Joseph Macquer au Jardin des plantes, et de Jean-Baptiste-Michel Bucquet à la faculté de médecine de l'université de Paris.
Hace 1 día · In 1787, the French chemist Claude Louis Berthollet showed that prussic acid did not contain oxygen, an important contribution to acid theory, which had hitherto postulated that acids must contain oxygen (hence the name of oxygen itself, which is derived from Greek elements that mean "acid-former" and are likewise calqued into German ...
Hace 4 días · In 1822 an antiquities thief name Claude Lelorrain used explosives to remove the Zodiac from its matrix in Dendera, and he brought it back to France, where it was purchased by the King, for the considerable price of 150,000 francs, and put on public display. It was eventually deposited in the Louvre, where it may be seen today.
Hace 4 días · In September of 1799, the number of would-be archaeologists was considerably increased, with the arrival in upper Egypt of the two antiquities Commissions authorized by Napoleon before his departure for France. These included the engineers François-Charles Cécile and Edme Jomard, the architects Charles-Louis Balzac and Jean-Baptiste Lepère ...
Hace 2 días · Mary Ann Shadd Cary fue la primera editora de periódicos afroamericana de Norteamérica y una activista abolicionista. Fundó el periódico The Provincial Freemen y más tarde se convirtió en la segunda mujer afroamericana licenciada en Derecho en Estados Unidos. Más información sobre la vida y el legado de Shadd Cary.
Hace 4 días · These scholars included engineers and artists, members of the Commission des Sciences et des Arts, the geologist Dolomieu, Henri-Joseph Redouté, the mathematician Gaspard Monge (a founding member of the École polytechnique), the chemist Claude Louis Berthollet, Vivant Denon, the mathematician Jean-Joseph Fourier (who did some of ...
Hace 4 días · Hypodermic needle in 1853 by Charles Pravaz. [100] Blind experiment by Claude Bernard (nineteenth century). [101] Discovery of Plasmodium and its role in malaria by Charles Louis Alphonse Laveran on November 6, 1880. [102] [103] Incubator or Neonatal intensive care unit in 1881 by Étienne Stéphane Tarnier. [104]
