The aim of the research presented in the article: historical and theoretical analysis of the scientific concepts of human development periodization (as a subject of activity, as a personality). The paper describes the phenomenon of “professional career”, the complexity of its full and adequate scientific explication and analyses the well-known concepts of human development periodization (S. Freud, P. P. Blonsky, L. S. Vygotsky, R. Kegan, J. Piaget, C. Buhler, E. Erikson) and the concepts of human development periodization as a subject of labour (D. Super, E. A.
