We consider the research activity of the talented scientist Dashi-Dondok Bazarov. This paper briefly reviews the main stages of his creative life and lists his major scientific achievements. Dashi-Dondok Bazarov was a very versatile scientist. In addition to applied research, he was also interested in basic research, such as stratigraphy of Cenozoic deposits, recon-struction of paleogeographical and paleolandscape settings of the Quaternary, history of relief evolution, compilation of ge-omorphological and engineering-geological maps, schemes of neotectonics for separate areas of Cisbaikalia and Trans-baikalia, paleozoology and paleobotany, paleoecology and natural environmental protection. The thematic maps generated by Dashi-Dondok Bazarov or with his participation have been and are widely used for applied and educational purposes, mineral exploration and geological forecasts. It is emphasized that his principal merit was the creation of his school of Transbaikalian Quaternary geologists and geomorphologists, a school that has been successfully working and showing excellent results to date.Keywords: Western Transbaikalia, Baikal-Amur Mainline, Cainozoic deposits, stratigraphic scheme, Transbaikalian scientific school.