Ivan Lavrentievich Kondakow ( 1857 , Vilyuisk , Yakutsk Region - October 14, 1931 ) - Russian chemist .
|Ivan Lavrentievich Kondakov|
|Date of Birth||1857|
|Place of Birth||Vilyuysk , Yakutsk region|
|Date of death||October 14, 1931|
|Place of death|
|Place of work|
|Alma mater||Imperial St. Petersburg University (1884)|
He was born in October 1857 in the family of a Cossack Pentecostal, who, having retired as a trading Cossack, saved some fortune and was able to give his eight sons an education, including four - a higher education. After graduating from the Vilyui Parish School and the Krasnoyarsk Men's Gymnasium , I.L. Kondakov in 1880 entered the natural department of the Physics and Mathematics Faculty of St. Petersburg University , where he began working with the famous chemist A. M. Butlerov from the third year.
At the end of the university in 1884 I.L. Kondakov was left at the university to prepare for the professorship as a laboratory assistant. In 1886 he was appointed a full-time laboratory assistant at the Department of Chemistry at the University of Warsaw . In the period 1886-1895, he taught at the Department of Physiology, University of Warsaw.
In December 1894, at St. Petersburg University, he defended his thesis for a master's degree in chemistry on the topic “On Synthesis under the Influence of Zinc Chloride in a Series of Fatty Compounds”.
In 1895, he was appointed extraordinary professor of pharmacy at Yuriev University , and since 1898, he was an ordinary professor .
In 1899, he discovered the catalytic polymerization of dimethylbutadiene into a synthetic rubbery substance. The research of I. L. Kondakov formed the basis of the method for producing synthetic methyl rubber in Germany in 1910. Germany used methyl rubber during the First World War , when the supply of natural was discontinued.
In 1921, he lectured at the Sorbonne , then worked at the University of Prague , continuing scientific research on synthetic rubber.
The period of life of I. L. Kondakov in 1921-1931, the researchers conditionally called "Elvas"; I.L. Kondakov had a summer home in Elva , where he came in his spare time from school and for summer holidays. He was buried in the Elva cemetery ( Estonia ).
In 1957, in connection with the 100th anniversary of the birth of I. L. Kondakov, a memorial plaque was opened on the house in Elva where he lived, in 1959 a monument was erected on his grave, and in 1977 a bas-relief appeared in the lobby of the University of Tartu scientist.