A. V. Sokolov – classic of the branch science history and philosophy

The author analyzes the scientific legacy of Arkady Sokolov, an outstanding Russian information scientist, bibliographer, and philosopher. She follows the evolution of scholar’s theoretical concepts in the context of history and philosophy of library and information sciences. The article is based on the analysis of Sokolov’s key works, i. e. the textbook «The introduction into social communication theory”, professional conceptual publication “The philosophy of information”, his theses, and program articles. The author discusses A. V. Sokolov’s contribution into building of the methodological tradition in the library and information sciences. She focuses, in particular, on her own realization of the information approach and its transfer into the research field of library and information sciences. The author explores A. Sokolov’s philosophical concepts and their significance for solving the current problems in the field: development of human resources, defining the status and positioning of library, bibliography and bibliology sciences within the modern system of sciences. The author also expands on her personal memories of Arkady Sokolov.