The article deals with the importance of the use of biografistics (biography studies) for the study of biographies of pedagogical personalities. It was noted that it is expedient to carry out a special synthesized study on the development of pedagogical biografistics (biography studies), which is conditioned by the need to solve and resolve a number of issues of modernization and improvement, based on new scientific paradigms, technologies and achievements in the study of biografistics (biography studies) by other humanities. The focus is on comparing biography and biografistics (biography studies) as a science on the complex of key theoretical concepts of historical and biographical research. It is emphasized on the meaning of related concepts in scientific humanities.