Soviet psychologist. Graduated from Neuropsychology at Kharkov Medical College. Later, he worked in the Kharkiv Neuropsychology Institute Hospital and the Psychology Institute of Kharkiv Neuropsychology Institute. From 1933 to 1941, the role of object activities in the psychologi

Soviet psychologist. Graduated from Kharkov Medical College neuropsychology major. Later, he worked in the Kharkiv Neuropsychology Institute Hospital and the Psychology Institute of Kharkiv Neuropsychology Institute.

1933-1941, under the leadership of Leonzhev, the role of object activities in children's psychological development.

1936 received his associate doctorate degree. During the Patriotic War, he worked in Rehabilitation Hospital and wrote articles on the psychology principles of sports medical and labor medical methods.

Since 1943, he has served as an associate professor and professor of psychology in the Department of Philosophy of Moscow University.

has served as the director of the Age Psychology Teaching and Research Department of the Department of Psychology since 1971. The contribution to psychology lies in the development of Vygotsky's thoughts and the study of issues such as intellectual movements and the formation of concepts in stages. His main works include "The Research and Development Process of Intellectual Action Formation" (1959), "Thought Psychology and the Theory of Intellectual Action Formation" (1966), "Experimental Research on Attention" (co-authored, 1974), and "Introduction to Psychology" (1976).