Hans Peter Jørgen Julius Thomsen


Hans Peter Jørgen Julius Thomsen

Hans Peter Jørgen Julius Thomsen (February 16, 1826 – February 13, 1909) was a Danish chemist noted in thermochemistry for the Thomsen-Berthelot principle.

Thomsen was born in Copenhagen, and spent his life in that city. From 1847 to 1856 he taught chemistry at the Polytechnic, where from 1883 to 1892 he was the director. From 1856 to 1866 he was on the staff of the military high school. In 1866 he was appointed professor of chemistry at the university, and retained that chair until his retirement from active work in 1891.

A friend and colleague of Ludwig A. Colding, who was one of the early advocates of the principle of conservation of energy, Thomsen did much to found the field of thermochemistry. In particular, between 1869 and 1882, he carried out a great number of determinations of the heat evolved or absorbed in chemical reactions, such as the formation of salts, oxidation and reduction, and the combustion of organic compounds. His collected results were published from 1882 to 1886 in four volumes under the title "Thermochemische Untersuchungen", and also a resume in English under the title "Thermochemistry" in 1908. In 1857 he established in Copenhagen a process for manufacturing soda from cryolite, obtained from the west coast of Greenland.

His brother, Carl August Thomsen (1834–1894), was lecturer on technical chemistry at the Copenhagen Polytechnic, and a second brother, Thomas Gottfried Thomsen (1841–1901), was assistant in the chemical laboratory at the university until 1884, when he abandoned science for theology, subsequently becoming minister at Norup and Randers.

References

*1911


Wikimedia Foundation. 2010.

Look at other dictionaries:

  • Hans Peter Jorgen Julius Thomsen — Hans Peter Jörgen Julius Thomsen Pour les articles homonymes, voir Thomsen. Julius Thomsen Hans Peter Jörgen Julius Thomsen (16 février …   Wikipédia en Français

  • Hans Peter Jörgen Julius Thomsen — Julius Thomsen Hans Peter Jørgen Julius Thomsen (* 16. Februar 1826 in Kopenhagen; † 13. Februar 1909) war ein dänischer Chemiker. Thomsen war von 1866 bis 1891 Professor für Chemie an der Universität Kopenhagen. Er arbeitete vor allem über… …   Deutsch Wikipedia

  • Hans Peter Jørgen Julius Thomsen — Julius Thomsen Hans Peter Jørgen Julius Thomsen (* 16. Februar 1826 in Kopenhagen; † 13. Februar 1909) war ein dänischer Chemiker. Thomsen war von 1866 bis 1891 Professor für Chemie an der Universität Kopenhagen. Er arbeitete vor allem über… …   Deutsch Wikipedia

  • Hans Peter Jörgen Julius Thomsen — Pour les articles homonymes, voir Thomsen. Julius Thomsen Hans Peter Jörgen Julius Thomsen (16 février 1826 13 février 1909 …   Wikipédia en Français

  • Hans Peter Thomsen — Hans Peter Jörgen Julius Thomsen Pour les articles homonymes, voir Thomsen. Julius Thomsen Hans Peter Jörgen Julius Thomsen (16 février …   Wikipédia en Français

  • Julius Thomsen — Hans Peter Jörgen Julius Thomsen Pour les articles homonymes, voir Thomsen. Julius Thomsen Hans Peter Jörgen Julius Thomsen (16 février …   Wikipédia en Français

  • Julius Thomsen — Hans Peter Jørgen Julius Thomsen (* 16. Februar 1826 in Kopenhagen; † 13. Februar 1909) war ein dänischer Chemiker. Thomsen war von 1866 bis 1891 Professor für Chemie an der Universität Kopenhagen. Er arbeitete vor allem über Thermochemie …   Deutsch Wikipedia

  • Thomsen — Family name name = Thomsen imagesize= caption= pronunciation = meaning = son of Thomas region =Denmark origin = related names =Thomason, Thomson, Thompson footnotes =Thomsen is a Danish patronymic surname meaning son of Tom (or Thomas) , itself… …   Wikipedia

  • Thomsen — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Thomsen est un nom de famille notamment porté par : Christian Jürgensen Thomsen (1788 1865), archéologue danois, premier conservateur du Oldnordisk… …   Wikipédia en Français

  • Thomsen — Thọmsen,   1) [ θɔmsɛn], Grímur Þorgrímsson, isländischer Schriftsteller, * Bessastaȓir 15. 5. 1820, ✝ ebenda 27. 11. 1896; studierte in Kopenhagen, wo er u. a. Beziehungen zu A. G. Oehlenschläger und H. C. Andersen knüpfte; 1848 66 Beamter im… …   Universal-Lexikon