Kliment Timiryazev

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Kliment Arkadievich Timiryazev

Kliment Arkadievich Timiryazev (Russian: Климент Аркадьевич Тимирязев; May 22 [O.S. June 3] 1843 – 28 April 1920) was a Russian botanist and physiologist and a major proponent of the Evolution Theory of Charles Darwin in Russia.[1] He founded a faculty of vegetable physiology and a laboratory at the Petrovskoye Academy.


Timiryazev was born to Arkady Semyenovich Timiryazev, a Russian statesman, and Adelaida Bode, an English woman of French origin, who later received Russian citizenship. He had at least three brothers: Nikolai (1835–1906), a military officer, Dimitri (1837–1903), a specialists in statistics, and Vasily (c. 1840–1912), a writer. Timiryazev was first educated by private teachers at home. In 1861 he entered the Saint Petersburg University and graduated with honors from the faculty of physics and mathematics in 1866. Two years later he published his first article, on a device for studying breakdown of carbon dioxide, and was sent abroad, where he studied under Wilhelm Hofmeister, Robert Bunsen, Gustav Kirchhoff, Marcellin Berthelot, Hermann von Helmholtz, Jean-Baptiste Boussingault and Claude Bernard. Upon returning to Russia in 1871 he defended a PhD on spectral analysis of chlorophyll and was appointed as professor of Petrov's Academy of Agriculture, until its closure in 1892. Since 1877 he also lectured at the Moscow State University. His research work was devoted to photosynthesis-related phenomena. Timiryazev was a major proponent of the Evolution Theory of Charles Darwin in Russia. He also pioneered the use of greenhouses for agricultural research in Russia, which he initiated in early 1870s. He was a member of the Russian Academy of Sciences (since 1890), Royal Society (1911) and Botanical Society of Scotland (1911), and an honorary professor of the Saint Petersburg University, Kharkov University, University of Glasgow (1901), University of Cambridge (1909) and University of Geneva (1909).[2][3]


Timiryazev Agricultural Academy, the Timiryazevskaya station of the Moscow Metro, and a lunar crater are named after him.[2] In Vinnytsia there is the Regional Universal Scientific Library named after Kliment Timiryazev. The Timiryazev State Museum of Biology in Moscow is also named after him.

At the beginning of the Tverskoy Boulevard in Moscow there is a statue of Timiryazev which was unveiled on 4 November 1923, sculpted by Sergey Merkurov and laid out by the architect Osipov. Timiryazev is depicted in the gown of Cambridge University where he was awarded an honorary doctorate. The granite pedestal bears the inscription of 'the curve of plant physiology' which Timiryazev elucidated. In October 1941 the statue was overturned by a Fascist bomb, but after a few hours it was back in its place. Its lower half still bears the marks caused by bomb splinters.


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