The article shows the stages of life of the outstanding teacher, psychologist, scientist and educator
A.P.Nechaev, exiled to Kazakhstan. describing the main milestones and dynamics of the formation of
experimental pedagogy in the early twentieth century. His name is associated with many innovative methods
of scientific research for its time, the priority of the development of syndrome psychology, which laid the
basic provisions of differential psychophysiology. The current ideas of the scientist about the integrity of the
study and the spiritual and moral development of the individual are highlighted.