Nikolai Grigoryevich Cholodny

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Cyrillic ( Ukrainian )
Микола Григорович Холодний
Transl. : Mykola Hryhorovyč Cholodnyj
Transcr. : Mykola Hryhorowytsch Cholodnyj
Cyrillic ( Russian )
Никола́й Григо́рьевич Холо́дный
Transl .: Nikolaj Grigor'evič Cholodnyj
Transcr .: Nikolai Grigoryevich Cholodny
Soviet postcard from 1982 with the portrait of Nikolai Cholodny

Nikolai Grigoryevich Cholodny (born July 10 . Jul / 22. July  1882 greg. In Tambov , Russian Empire ; † 4. May 1953 in Kiev , Ukrainian SSR ) was a Soviet botanist and microbiologist , who at the University of Kiev worked.

Life

Nikolai Cholodny was born in Tambov because his father, who was born in Pereyaslav , Kiev Governorate , worked there as a teacher. After graduating from high school in the city of Novocherkassk , he studied until 1906 at the Natural Science Institute for Physics and Mathematics at the Kiev Imperial St. Vladimir University.

After graduation, he became assistant to the department of plant physiology at the university in 1907 and studied nature in the Crimea in the summer of 1907. In 1908 and 1909 he traveled to Berlin, Paris, Zurich, Strasbourg, Munich, Vienna, Savoy and Tyrol to get to know the scientific institutions and museums there, where he made a tour through the Alps. In January 1918, Cholodny became an assistant professor. Worked at the University of Kiev Botanical Garden belonging to the Faculty of Biology . In 1925 he became a corresponding member and on June 29, 1929 a full member of the Ukrainian Academy of Sciences . In 1926 he was awarded the doctoral degree in botany for his monograph on iron bacteria without defending a dissertation.

Cholodny's grave in the Lukjanivska cemetery in Kiev

In 1927, Nikolai Cholodny set up, in parallel to Frits Warmolt Went, a model named after both (Cholodny-Went model, also acid growth theory), according to which auxin is released by sensors for weight and light in the coleoptile that controls plant growth accordingly .

In 1953, a heart disease made itself more noticeable, so that he died on May 4, 1953 in Kiev and was buried in the Lukjanivska cemetery in Kiev.

Web links

Remarks

  1. ↑ The English language Wikipedia has an article on the Cholodny-Went theory under Cholodny-Went model

Individual evidence

  1. ↑ a b c Short biography Nikolai Grigorjewitsch Cholodny of the National Academy of Sciences of Ukraine ; accessed on May 9, 2016 (Ukrainian)
  2. ↑ a b c Biography of Nikolai Grigoryevich Cholodny on pomnipro; accessed on May 9, 2016 (Russian)
  3. ↑ About the Botanical Garden ; accessed on May 9, 2016
  4. ^ [1] Membranes and Sensory Transduction by Giuliano Colombetti, Francesco Lenci, page 247 (English)
personal data
SURNAME Cholodny, Nikolai Grigoryevich
ALTERNATIVE NAMES Холо́дный, Никола́й Григо́рьевич (Russian)
BRIEF DESCRIPTION Soviet botanist and microbiologist
DATE OF BIRTH July 22, 1882
PLACE OF BIRTH Tambov , Russian Empire
DATE OF DEATH May 4th 1953
Place of death Kiev , Ukrainian SSR