Marko Leko: Difference between revisions
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'''Marko T. Leko''' ({{lang-sr-cyr|Марко Т. Леко}}) was a notable Serbian scientist, chemist, professor and president of the Serbian Red Cross. He played a major role in the professionalisation of chemistry in Serbia.<ref name="AABC2012">{{Cite journal |last=Thorburn Burns |first=D |title=Some people and places important in the history of analytical chemistry in Serbia |url=https://link.springer.com/article/10.1007%2Fs00216-011-5709-5 |journal=Analytical and Bioanalytical Chemistry |volume=403 |pages=903-908}}</ref> |
'''Marko T. Leko''' ({{lang-sr-cyr|Марко Т. Леко}}) was a notable Serbian scientist, chemist, professor and president of the Serbian Red Cross. He played a major role in the professionalisation of chemistry in Serbia.<ref name="AABC2012">{{Cite journal |last=Thorburn Burns |first=D |title=Some people and places important in the history of analytical chemistry in Serbia |url=https://link.springer.com/article/10.1007%2Fs00216-011-5709-5 |journal=Analytical and Bioanalytical Chemistry |volume=403 |pages=903-908}}</ref> |
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Leko was born in [[Belgrade]], [[Serbia]], on September the 17th, 1853 to a merchant family. He attended and graduated from Polytechnic school in [[Zurich]] and obtained his doctoral degree in 1875. For a short period he was employed in Hoffmman's laboratory.{{citationneeded}} |
Leko was born in [[Belgrade]], [[Serbia]], on September the 17th, 1853 to a merchant family. He attended and graduated from Polytechnic school in [[Zurich]] and obtained his doctoral degree in 1875. For a short period he was employed in Hoffmman's laboratory.{{citationneeded|date=January 2019}} |
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==Career== |
==Career== |
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He has 52 publications mostly in the areas of [[Organic chemistry|organic]] and [[analytical chemistry]]. Thanks to work he dedicated in writing his doctoral dissertation and number of works that followed, he was able to solve one of the most sought problems of the time: does [[ammonium chloride]] and its closely related compounds belong to compounds of five valence [[nitrogen]], [[Nitrogen|N]][[Hydrogen|H]]<sub>4</sub>[[Chlorine|Cl]], or to compounds such as NH<sub>3</sub>·HCl. |
He has 52 publications mostly in the areas of [[Organic chemistry|organic]] and [[analytical chemistry]]. Thanks to work he dedicated in writing his doctoral dissertation and number of works that followed, he was able to solve one of the most sought problems of the time: does [[ammonium chloride]] and its closely related compounds belong to compounds of five valence [[nitrogen]], [[Nitrogen|N]][[Hydrogen|H]]<sub>4</sub>[[Chlorine|Cl]], or to compounds such as NH<sub>3</sub>·HCl. |
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His work in analytical chemistry had two main interests: researching natural resources of Earth ([[mineral waters]]), and finding and improving new analytical methods. He was also interested in chemical properties of natural spas and streams, and a stream located in Palanački Kiseljak bears his name ''Marko Leko''. In 1899 he was promoting spas in [[Obrenovac]] region.{{citationneeded}} |
His work in analytical chemistry had two main interests: researching natural resources of Earth ([[mineral waters]]), and finding and improving new analytical methods. He was also interested in chemical properties of natural spas and streams, and a stream located in Palanački Kiseljak bears his name ''Marko Leko''. In 1899 he was promoting spas in [[Obrenovac]] region.{{citationneeded|date=January 2019}} |
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Leko was an active member of Serbian [[Red Cross]]. At first he was a treasurer (1915–1920), vice president (1921) and president (1924).{{citationneeded}} |
Leko was an active member of Serbian [[Red Cross]]. At first he was a treasurer (1915–1920), vice president (1921) and president (1924).{{citationneeded|date=January 2019}} |
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===Teaching=== |
===Teaching=== |
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At the time of the founding of [[Belgrade University]] in 1905 he was elected as an associate professor. He was deeply offended by this decision and on his own request retired early, on May 26 of 1905.{{citationneeded}} |
At the time of the founding of [[Belgrade University]] in 1905 he was elected as an associate professor. He was deeply offended by this decision and on his own request retired early, on May 26 of 1905.{{citationneeded|date=January 2019}} |
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In 1895, [[Sima Lozanić]], a fellow chemist, drafted a secondary textbook for chemistry, which Leko was asked to review. Leko put forward 36 objections to the draft. Leko and Lozanić argued the points for 2 years through correspondence to ''The Educational Gazette'', at which point the Gazette refused to publish any more argument on the matter. One of the major issues was Lozanić's classification of N<small>3</small> as an [[Allotropy|allotropic]] modification of [[Nitrogen]].<ref name="Textbooks">{{Cite journal |last=Milanovic |first=Vesna |date=2015 |title=Secondary-school chemistry textbooks in the 19th century |url=http://www.doiserbia.nb.rs/img/doi/0352-5139/2015/0352-51391500052M.pdf |journal=Journal of the Serbian Chemical Society |volume=80(10) |pages=1321–1338 }}</ref> |
In 1895, [[Sima Lozanić]], a fellow chemist, drafted a secondary textbook for chemistry, which Leko was asked to review. Leko put forward 36 objections to the draft. Leko and Lozanić argued the points for 2 years through correspondence to ''The Educational Gazette'', at which point the Gazette refused to publish any more argument on the matter. One of the major issues was Lozanić's classification of N<small>3</small> as an [[Allotropy|allotropic]] modification of [[Nitrogen]].<ref name="Textbooks">{{Cite journal |last=Milanovic |first=Vesna |date=2015 |title=Secondary-school chemistry textbooks in the 19th century |url=http://www.doiserbia.nb.rs/img/doi/0352-5139/2015/0352-51391500052M.pdf |journal=Journal of the Serbian Chemical Society |volume=80(10) |pages=1321–1338 }}</ref> |
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==Death== |
==Death== |
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He died on 4 November 1932 in Belgrade. Many important dignitaries of the time paid tribute to the scientist: the [[Alexander I of Yugoslavia|King Alexander I]], members of the Royal government, members of the central committee of Red Cross and members of academia and Belgrade University.{{citationneeded}} |
He died on 4 November 1932 in Belgrade. Many important dignitaries of the time paid tribute to the scientist: the [[Alexander I of Yugoslavia|King Alexander I]], members of the Royal government, members of the central committee of Red Cross and members of academia and Belgrade University.{{citationneeded|date=January 2019}} |
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One of Belgrade's street, close to [[National Theatre in Belgrade|National Theater]], bears his name. Before being renamed after him, the street bore the name ''Golden angel'' after the little family store owned by his father.{{citationneeded}} |
One of Belgrade's street, close to [[National Theatre in Belgrade|National Theater]], bears his name. Before being renamed after him, the street bore the name ''Golden angel'' after the little family store owned by his father.{{citationneeded|date=January 2019}} |
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==References== |
==References== |
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Revision as of 16:55, 25 January 2019
Marko T. Leko (Serbian Cyrillic: Марко Т. Леко) was a notable Serbian scientist, chemist, professor and president of the Serbian Red Cross. He played a major role in the professionalisation of chemistry in Serbia.[1]
Leko was born in Belgrade, Serbia, on September the 17th, 1853 to a merchant family. He attended and graduated from Polytechnic school in Zurich and obtained his doctoral degree in 1875. For a short period he was employed in Hoffmman's laboratory.[citation needed]
Career
He has 52 publications mostly in the areas of organic and analytical chemistry. Thanks to work he dedicated in writing his doctoral dissertation and number of works that followed, he was able to solve one of the most sought problems of the time: does ammonium chloride and its closely related compounds belong to compounds of five valence nitrogen, NH4Cl, or to compounds such as NH3·HCl.
His work in analytical chemistry had two main interests: researching natural resources of Earth (mineral waters), and finding and improving new analytical methods. He was also interested in chemical properties of natural spas and streams, and a stream located in Palanački Kiseljak bears his name Marko Leko. In 1899 he was promoting spas in Obrenovac region.[citation needed]
Leko was an active member of Serbian Red Cross. At first he was a treasurer (1915–1920), vice president (1921) and president (1924).[citation needed]
Teaching
At the time of the founding of Belgrade University in 1905 he was elected as an associate professor. He was deeply offended by this decision and on his own request retired early, on May 26 of 1905.[citation needed]
In 1895, Sima Lozanić, a fellow chemist, drafted a secondary textbook for chemistry, which Leko was asked to review. Leko put forward 36 objections to the draft. Leko and Lozanić argued the points for 2 years through correspondence to The Educational Gazette, at which point the Gazette refused to publish any more argument on the matter. One of the major issues was Lozanić's classification of N3 as an allotropic modification of Nitrogen.[2]
His teaching posts included:
- 1880-1884: Professor of Chemistry in Belgrade's secondary schools
- 1881-1894: Professor of Chemistry at the Military Academy of Belgrade[1]
- 1894-1905: Professor of Chemistry at the University of Belgrade (then Belgrade Higher School)[3] (part-time from 1894, made full Professor 1899)[4]
- 1884 became a member of Serbian Academic Society
- 1892 became a member of Serbian Royal Academy
- 1902/3 and 1903/4 was the Dean of then Great School
- 1904-1920 state chemist and superintendent of State's Chemical Laboratory in Belgrade
Serbian Chemical Society
In 1897, Leko was the Manager of the Government Chemical Laboratory in Belgrade.[5] The 3rd International Congress on Applied Chemistry was scheduled to be held in 1898, so the Main Committee for that Congress wrote to Leko suggesting a Serbian committee be organised to stimulate interest in the Serbian academic community.[5]
The first meeting of the Serbian Chemical Society was held on 15 November 1897 in Belgrade. The society did not create the office of President until 1904, at which time Leko was appointed as President of the Serbian Chemical Society. He was replaced in approximately 1907 at his own request, given he would be absent from the country while performing the role of President and Chief Manager of the Balkan Exhibition in London.[5]
During the period he was president, Dr Leko wrote 68 papers for the Society. Leko also authored a report on the Society's activities: 'A Contribution to the Development of Applied Chemistry in the Kingdom of Serbia' (1906).[5]
Personal life
Leko had a large family. With his wife Danica (née Antula) he had eleven children. As parents they dedicated much of their time to their children education: five of his sons were noted jurist (Dušan M. Leko), chemist (Aleksandar M. Leko), architect (Dimitrije M. Leko), general (Jovan Leko), banker and financier (Dragoljub M. Leko). His brother Dimitrije T. Leko was a renowned architect.
Death
He died on 4 November 1932 in Belgrade. Many important dignitaries of the time paid tribute to the scientist: the King Alexander I, members of the Royal government, members of the central committee of Red Cross and members of academia and Belgrade University.[citation needed]
One of Belgrade's street, close to National Theater, bears his name. Before being renamed after him, the street bore the name Golden angel after the little family store owned by his father.[citation needed]
References
- ^ a b Thorburn Burns, D. "Some people and places important in the history of analytical chemistry in Serbia". Analytical and Bioanalytical Chemistry. 403: 903–908.
- ^ Milanovic, Vesna (2015). "Secondary-school chemistry textbooks in the 19th century" (PDF). Journal of the Serbian Chemical Society. 80(10): 1321–1338.
- ^ Bojovic, Snezana. "The Founders of Chemistry in Serbia". Bulletin de la Société chimique Beograd. 48: 96–97.
- ^ Micovic, Vukic. "Chemistry in Serbia". Bulletin of the Chemical Society. 37: 27–56.
- ^ a b c d Dimitrijevic, Dorde. "Seventy-Five Years of the Serbian Chemical Society". Bulletin of the Chemical Society Belgrade. 37: 5–26.