A review of scientific, organizational and social work of G.M.Dobrov is given. Main stages of Dobrov's carrier are shown along with scientific results produced at each. Dobrov's scientific carrier began in 50s, in science technology field, after graduation from the Kiev Politechnical Institute. Science and technology history had to face new methodological challenges in that time. Dobrov was the first to offer applications of computing methods to science history studies in the USSR, which, he believed, could help in identifying new factors for research capacity growth and appearance of new research fields, for measuring the performance of research personnel. In his most famous book 'Science about Science', published in 1966, 1970, and in 1989), he offered a conceptualization of science of science discipline. From 1968 till 1986 Dobrov supervised various science of science units in several Academy institutes, and in 1976-1979 he worked as a chief researcher in the International Institute for Applied Systemic Analysis (IIASA) in Laxenburg (Austria). In 1969 he launched the periodical 'Science of Science in Informatics', transformed in 1993 into the journal 'Nauka ta naukozanvstvo' (Science and Science of Science). Dobrov is the author of more than 300 scientific publications, including 10 books. He did a lot to strengthen the importance of national science, working as an expert in international organizations like UNESCO and CMEA (Council of Mutual Economic Assistance), and supervising UNESCO projects 'Efficiency of Research Groups' and 'Social Assessments of New Technologies in Developing Countries'. As early as in 1965 he was elected to the International Academy of Science History and in 1972 - to the World Academy of Natural Science and Humanities.