A well-known linguist, turkologist, researcher of ―Manas‖, public figure, teacher – Bolot Muratalievich Yunusaliev, a native of a simple family, hardworking, painstaking, engaged in science together with public activities, soaked in its hot cold, being a linguist, worked in the apparatus of the Ministry of Education of the Kyrgyz SSR, was engaged in the compilation and editing of curricula and textbooks on Kyrgyz language and literature for Kyrgyz schools. He took an active part in translating into the Kyrgyz language, during the war, the works of classics of Marxism-Leninism. He was the first in the history of the study of the Kyrgyz language to determine the periodicity of the formation and development of the literary language. Bolot Muratalievich, as a turkologist, for the first time in linguistics, on the basis of comparative historical material of the Turkic and Mongolian languages, investigated the relationship of the history of the Kyrgyz language with the history of the people and reflected it in the work ―Kyrgyz Dialectology‖. As a researcher of Manas, the great scientist has published a number of articles dealing with a number of problems related to the epic. Indeed, the scientist studied the epic "Manas" – not only as an invaluable monument of the spiritual wealth of the Kyrgyz people, but also as an oral monument of the national language. In particular, in the preface to the combined version of the epic "Manas" presented his scientific views on the origin and development of the epic in the Eastern era with reasoned arguments. Also at the end of his lifeepic ―Manas", having created many works in the publishing direction, which is briefly reflected in this article