August Krönig
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August Karl Krönig (; 20 September 1822 – 5 June 1879) was a German
chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a graduated scientist trained in the study of chemistry, or an officially enrolled student in the field. Chemists study the composition of ...
and
physicist A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate cau ...
who published an account of the
kinetic theory of gases The kinetic theory of gases is a simple classical model of the thermodynamic behavior of gases. Its introduction allowed many principal concepts of thermodynamics to be established. It treats a gas as composed of numerous particles, too small ...
in 1856, probably after reading a paper by John James Waterston.


Biography

Krönig was born in Schildesche, now part of
Bielefeld Bielefeld () is a city in the Ostwestfalen-Lippe Region in the north-east of North Rhine-Westphalia, Germany. With a population of 341,755, it is also the most populous city in the administrative region () of Detmold (region), Detmold and the L ...
. After completing his
Abitur ''Abitur'' (), often shortened colloquially to ''Abi'', is a qualification granted at the end of secondary education in Germany. It is conferred on students who pass their final exams at the end of ISCED 3, usually after twelve or thirteen year ...
he attended the
University of Bonn The University of Bonn, officially the Rhenish Friedrich Wilhelm University of Bonn (), is a public research university in Bonn, North Rhine-Westphalia, Germany. It was founded in its present form as the () on 18 October 1818 by Frederick Willi ...
for three semesters beginning in 1839 studying primarily Oriental languages. In 1840 he changed focus to physics, chemistry and mathematics and transferred to the
University of Berlin The Humboldt University of Berlin (, abbreviated HU Berlin) is a public research university in the central borough of Mitte in Berlin, Germany. The university was established by Frederick William III on the initiative of Wilhelm von Humbol ...
, where he completed his doctorate in 1845 with a thesis on chromate salts. He then taught at two schools in Berlin, the ''Realgymnasium'' in Cölln and the ''Königliche
Realschule Real school (, ) is a type of secondary school in Germany, Switzerland and Liechtenstein. It has also existed in Croatia (''realna gimnazija''), the Austrian Empire, the German Empire, Denmark and Norway (''realskole''), Sweden (''realskola''), F ...
'' attached to the Friedrich-Wilhelms-Gymnasium in Berlin. In 1864 he was given a professorship, but he was forced to retire the same year for reasons of ill health. In 1851 Krönig self-published the ''Journal für Physik und physikalische Chemie des Auslandes in vollständigen Übersichten'', but only one year of issues appeared. In 1856 he published a paper on the kinetic theory of gases, thereby becoming a pioneer of
statistical mechanics In physics, statistical mechanics is a mathematical framework that applies statistical methods and probability theory to large assemblies of microscopic entities. Sometimes called statistical physics or statistical thermodynamics, its applicati ...
and
thermodynamics Thermodynamics is a branch of physics that deals with heat, Work (thermodynamics), work, and temperature, and their relation to energy, entropy, and the physical properties of matter and radiation. The behavior of these quantities is governed b ...
alongside
Rudolf Clausius Rudolf Julius Emanuel Clausius (; 2 January 1822 – 24 August 1888) was a German physicist and mathematician and is considered one of the central founding fathers of the science of thermodynamics. By his restatement of Sadi Carnot's principle ...
,
James Clerk Maxwell James Clerk Maxwell (13 June 1831 – 5 November 1879) was a Scottish physicist and mathematician who was responsible for the classical theory of electromagnetic radiation, which was the first theory to describe electricity, magnetism an ...
and
Ludwig Boltzmann Ludwig Eduard Boltzmann ( ; ; 20 February 1844 – 5 September 1906) was an Austrian mathematician and Theoretical physics, theoretical physicist. His greatest achievements were the development of statistical mechanics and the statistical ex ...
. The paper echoes John James Waterston's 1851 paper on the topic, and may be based on it; Clausius' work was sparked by Krönig's paper but emphasised the implication of "equal volumes equal numbers", which Waterston and Krönig merely noted.Alan J. Rocke, ''Image and Reality: Kekulé, Kopp, and the Scientific Imagination'', Synthesis, Chicago/London: University of Chicago, 2010,
p. 256 and n. 64
Krönig also published various writings on science and on philosophy and theology. He died in Berlin; his remains were reburied in the family grave at the Stahnsdorf South-Western Cemetery, near Berlin.


Publications

* ''De acidi chromici salibus cristallinis'' (doctoral thesis), Berlin, 1845 * ''Neue Methode zur Vermeidung und Auffindung von Rechenfehlern vermittelst der Neuner-, Elfer-, Siebenunddreißiger- und Hundertundeinerprobe. Ein Hülfsmittel für Zahlenrechner'', Berlin, 1855 * "Grundzüge einer Theorie der Gase", ''Annalen der Physik'' 3 (1856), 315 * ''Die Chemie, bearbeitet als Bildungsmittel für den Verstand zum Gebrauche bei dem chemischen Unterricht an höheren Lehranstalten'', Berlin 1864 * ''Wie kritisirt man chemische Lehrbücher? Eine Antikritik'', Berlin, 1865 * ''Die Werthlosigkeit einer grossen Anzahl von chemischen Formeln: Dargethan durch die Grösse der Fehler in Liebig's Analysen und neues Verfahren zur Ableitung der Formel einer Verbindung aus den Gewichtsmengen der Bestandtheile'', Berlin: Julius Springer, 1866 * ''Das Dasein Gottes und das Glück der Menschen, materialistisch-erfahrungsphilosophische Studien, insbesondere über die Gottesfrage und den Darwinismus, über den Selbstbeglückungstrieb als Fundament der Lebensweisheit und praktischen Moral und über die Hauptlehren Kant's und Schopenhauer's'', Berlin, 1874 * ''Sechs neue Rezepte betr. billige Ernährung'', Berlin, 1874


See also

*
Ideal gas law The ideal gas law, also called the general gas equation, is the equation of state of a hypothetical ideal gas. It is a good approximation of the behavior of many gases under many conditions, although it has several limitations. It was first stat ...


References


Sources

* "August Krönig". In: J. C. Poggendorff. ''Biographisch-literarisches Handwörterbuch der exacten Wissenschaften'', Leipzig, 1863, Volume 1, p. 752; 1898, Volume 3, p. 752 * Stefan Wolff. "August Krönig". In: Dieter Hoffmann, Hubert Leitko and Staffan Müller-Wille, eds. ''Lexikon bedeutender Naturwissenschaftler''. Wiesbaden-Heidelberg, 2004, , Volume 2, p. 345 * Fritz Krafft. ''Die wichtigsten Naturwissenschaftler im Porträt''. Wiesbaden, 2007, , p. 210 * Michael Gamper. ''Masse lesen, Masse schreiben. Eine Diskurs- und Imaginationsgeschichte''. Munich, 2007, , pp. 437–38 {{DEFAULTSORT:Kroenig, August 1822 births 1879 deaths Burials at Stahnsdorf South-Western Cemetery 19th-century German chemists 19th-century German physicists Scientists from Bielefeld Chemists from the Kingdom of Prussia Physicists from the Kingdom of Prussia