Professor Ivan Diomidovich Kudrin (100th birth anniversary)
This article highlights the stages of professional activity of the outstanding Russian military scientist-physiologist, Ivan Diomidovich Kudrin, in the course of solving scientific problems of habitability and medical and psychological support in the Armed Forces of the Russian Federation. Ivan Diomidovich headed the leading scientific division, which is a scientific and methodological center in the Union of Soviet Socialist Republics Armed Forces on habitability and professional selection problems. Thanks to the experimental and practical activities of the unit led by him and his direct participation, concepts of habitability factor rationalization and medical and psychological support of personnel at various stages of military service were theoretically, experimentally, and practically justified as separate complex areas of military preventive medicine and psychology. Under the leadership of Ivan Diomidovich, normative and technical documents were developed to regulate the implementation of military improvement and professional performance in the Armed Forces of the Soviet Union. The ideo logy of habitability and medical and psychological support created by I.D. Kudrin and his scientific school formed the basis for todays successful work of two scientific research center departments.