The author reflects on important landmarks on his road to pedagogical knowledge. At its the beginning there was a research of students and teachers conception (theory) of teaching and developing professional skills of students which led to the research of pedagogical skills and implicit pedagogical knowledge. At present, in his research the author (with his fellow workers) deals with the problems of developing pedagogical condition of future teachers and social pedagogues. The majority of authors research and published studies has been connected with solving grant projects. In these projects the author cooperated with his colleagues form a number of universities and institutions and with his PhD students.