Lasarev gives a brief biography and his main scientific goals. Discusses the beginning of low temperature physics in Soviet Union; influences of Leiden laboratory; his study in Leningrad; Leningrad school of physics; Abram F. Ioffe, Iakov I. Frenkel, et al. 1932 (first publication). Mentions student years; beginnings of scientific work at Leningrad Physiotechnical institute; scientist Lev Schubnikov and Ivan Obreimov; foundation of Ukrainian Physico-technical institute in 1928; building of institute: Leningrad scientific delegation to Kharkov; strangers in Kharkov - M. Ruhemann and Meisner, discovery of Meisner's effect; Lev Landau and Yu Ryabinin; Lasarev's transition from Sverdlovsk to Kharkov; first Soviet cryogenic laboratory and first cryogenic conference; organization of scientific investigations; development of cryogenic solid state investigations: physics of low temperature and high pressure; superconductivity; background of science and education development in Ukraine; position of Ukrainian Physico-technical institute; scientists Paul Ehrenfest, Victor Weisskopf, and Podolskij; World War II and evacuation of institute; reconstruction of institute post-war cryogenic investigations (Illya Lifshitz, Lev Landau, and V. Hotkevitch); superconductivity (Sergei Konobeevsrij, V. Gorskij).