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René Joachim Henri Dutrochet (14 November 1776 – 4 February 1847) was a French physician, botanist and physiologist. He is best known for his investigation into ...
Henri Dutrochet (1776–1847) Discovered osmosis: Hermann von Helmholtz (1821–1894) Explained hearing and vision. Biomechanics: Christian Wilhelm Braune (1831–1892) First to describe the methodology of human gait (walking). Bioelectromagnetics: Luigi Galvani (1737–1798) First to discover animal electricity through a series of experiments ...
1824 – Henri Dutrochet discovers that tissues are composed of living cells. 1838 – Protein discovered, named and recorded by Gerardus Johannes Mulder and Jöns Jacob Berzelius. 1862 – Louis Pasteur discovers the bacterial origin of fermentation. 1863 – Gregor Mendel discovers the laws of inheritance.
D. Louis Jean-Marie Daubenton; Antoine Deidier; Pierre Demours; Jean-Baptiste Denys; Pierre-Joseph Desault; Jean Descemet; Michel Étienne Descourtilz; René-Nicolas Dufriche Desgenettes
November 14 – Henri Dutrochet, French physician (died 1847) November 18 - Mauro Ruscóni, Italian physician and zoologist (died 1849) [6] December 3 – Nicolas Charles Seringe, French physician and botanist (died 1858) December 31 – Johann Spurzheim, German physician (died 1832) [7]
Biologists believed that there was a fundamental unit to life, but until Henri Dutrochet were unclear what it was. Besides stating “the cell is the fundamental element of organization”, Dutrochet claimed that cells were also a physiological unit. [7]
There were, however, some advances elsewhere such as the early exploration of geotropism (the effect of gravity on growth) by Englishman Thomas Knight, and the discovery and naming of osmosis by Frenchman Henri Dutrochet (1776–1847). [102]
4 February - Henri Dutrochet, physician, botanist and physiologist (born 1776) 15 February - Germinal Pierre Dandelin, mathematician, soldier, and professor of engineering (born 1794) 24 February - Alexandre Guiraud, poet and novelist (born 1788) 2 March - Jules, prince de Polignac, statesman (born 1780)