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Marcelin Berthelot

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Marcelin Berthelot

Pierre Eugène Marcellin Berthelot
Born (1827-10-25)25 October 1827
Paris
Died 18 March 1907(1907-03-18) (aged 79)
Paris
Nationality French
Fields Chemistry
thermochemistry
Known for Thomsen-Berthelot principle

Pierre Eugène Marcellin Berthelot (25 October 1827 – 18 March 1907) was a French chemist and politician noted for the Thomsen-Berthelot principle of thermochemistry. He synthesized many organic compounds from inorganic substances and disproved the theory of vitalism. He is considered as one of the greatest chemists of all time.

He was born in Paris, France, the son of a doctor. After doing well at school in history and philosophy, he became a scientist.

Discoveries

The fundamental conception that underlay all Berthelot's chemical work was that all chemical phenomena depend on the action of physical forces which can be determined and measured. When he began his active career it was generally believed that, although some instances of the synthetic production of organic substances had been observed, on the whole organic chemistry remained an analytical science and could not become a constructive one, because the formation of the substances with which it deals required the intervention of vital activity in some shape. To this attitude he offered uncompromising opposition, and by the synthetic production of numerous hydrocarbons, natural fats, sugars and other bodies he proved that organic compounds can be formed by ordinary methods of chemical manipulation and obey the same principles as inorganic substances, thus exhibiting the "creative character in virtue of which chemistry actually realizes the abstract conceptions of its theories and classifications—a prerogative so far possessed neither by the natural nor by the historical sciences."

In 1863 he became a member of the Académie Nationale de Médecine; he was also awarded the Grand Cross of the Legion of Honour.

Publications

His investigations on the synthesis of organic compounds were published in numerous papers and books, including Chimie organique fondée sur la synthèse (1860) and Les Carbures d'hydrogène (1901). He stated that chemical phenomena are not governed by any peculiar laws special to themselves, but are explicable in terms of the general laws of mechanics that are in operation throughout the universe; and this view he developed, with the aid of thousands of experiments, in his Mécanique chimique (1878) and his Thermochimie (1897). This branch of study naturally conducted him to the investigation of explosives, and on the theoretical side led to the results published in his work Sur la force de la poudre et des matières explosives (1872), while in practical terms it enabled him to render important services to his country as president of the scientific defence committee during the siege of Paris (1870–1871) and subsequently as chief of the French explosives committee. He performed experiments to determine gas pressures during hydrogen explosions using a special chamber fitted with a piston, and was able to distinguish burning of mixtures of hydrogen and oxygen from true explosions.

During later life he researched and wrote books on the early history of chemistry such as Les Origines de l'alchimie (1885)[1] and Introduction à l'étude de la chimie des anciens et du moyen âge (1889),[2] He also translated various old Greek, Syriac and Arabic treatises on alchemy and chemistry: Collection des anciens alchimistes grecs (1887–1888)[3] and La Chimie au moyen âge (1893).[4] He was the author of Science et philosophie (1886),[5] which contains a well-known letter to Renan on "La Science idéale et la science positive," of La Révolution chimique, Lavoisier (1890),[6] of Science et morale (1897),[7] and of numerous articles in La Grande Encyclopédie, which he helped to establish.

Family

Berthelot died suddenly, immediately after the death of his wife Sophie Niaudet (1837–1907), at Paris, and was buried with her in the Panthéon. He had six children:[8] Marcel André (1862–1939), Marie-Hélène (1863–1895), Camille (1864–1928), Daniel (1865–1927), Philippe (1866–1934), and René (1872–1960).

In art

Auguste Rodin has created a bust of Berthelot.

See also

References

  • Template:1911

Further reading

External links

  • Berthelot at www.hh.schule.de
  • Berthelot, Marcelin (1827-1907), chimiste et homme politique français at isimabomba.free.fr
  • Archived 2009-11-01)
  • AllRefer.com - Pierre EugEne Marcelin Berthelot (Chemistry, Biography) - Encyclopedia at reference.allrefer.com
  • Project Gutenberg
Political offices
Preceded by
René Goblet
Minister of Public Instruction and Fine Arts
1886–1887
Succeeded by
Eugène Spuller
Preceded by
Jean Casimir-Perier
Minister of Foreign Affairs
1895–1896
Succeeded by
Léon Bourgeois

Template:Académie française Seat 40 Template:Copley Medallists 1851-1900

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