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Charles-Adolphe Wurtz and the Atomic Theory

Charles-Adolphe Wurtz and the Atomic Theory

Harald Sack
On November 26, 1817, Alsatian French chemist and educator Charles-Adolphe Wurtz was born. Wurtz is best remembered for his decades-long advocacy for the atomic theory and for ideas about the structures of chemical compounds, against the skeptical opinions of chemists such as Marcellin Berthelot and Etienne Henri Sainte-Claire Deville. He is well known by organic chemists for the Wurtz reaction, to form carbon-carbon bonds by reacting alkyl halides with sodium, and for…
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chemistry
John Dalton and the Origins of the Atomic Theory

John Dalton and the Origins of the Atomic Theory

Harald Sack
On September 6, 1766, English chemist, meteorologist and physicist John Dalton was born. He is best known for his pioneering work in the development of modern atomic theory, and his research into colour blindness. He also recognised that the aurora borealis was an electrical phenomenon. “Philosophers are generally persuaded, that the sensations of heat and cold are occasioned by the presence or absence, in degree, of certain principle or quality denominated fire or…
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physics
Ludwig Boltzmann and Statistical Mechanics

Ludwig Boltzmann and Statistical Mechanics

Tabea Tietz
On February 20, 1844, Austrian physicist and philosopher Ludwig Boltzmann was born. His greatest achievement was in the development of statistical mechanics, which explains and predicts how the properties of atoms determine the physical properties of matter. “Who sees the future? Let us have free scope for all directions of research; away with dogmatism, either atomistic or anti-atomistic!” — Ludwig Boltzmann, “Lectures on Gas Theory”, translated by Stephen George Brush (1971), p.…
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