@article{Isaienko_2016, title={Professor Ya.M. Hakkel’s life and activity (1874-1945)}, volume={6}, url={https://www.hst-journal.com/index.php/hst/article/view/151}, DOI={10.32703/2415-7422-2016-6-9-26-34}, abstractNote={<p>The life and activity of a prominent engineer, scientist and researcher professor YakovModestovychHakkel (YakovGakkel) – 1874-1945 – has been analyzed in the article. Ya.M.&nbsp;Hakkel is a Russian (soviet) engineer having made a significant contribution into development and progressing of the world aviation and diesel-building in the first half of the XX-<sup>th</sup>century. Being a scientist in power engineering, Hakkel took part in the construction and adjusting of one of the first in Russia hydro-power plant (the world first one in the permafrost region). The engineer was included into the Organization-Preparatory Commission on working out the project aimed at the first electrical tramway line’s construction and its realization in Petersburg. Ya.M.&nbsp;Hakkel is a professor, deserved authority in science and technique of the RSFSR, the author of numerous scientific inventions and innovations. His scientific papers, developments, innovative solutions are difficult to count up; they require to be studied, carefully analyzed and to be properly evaluated from history-scientific points of view.</p&gt;}, number={9}, journal={History of science and technology}, author={Isaienko, S. A.}, year={2016}, month={Dec.}, pages={26-34} }