The book covers the main stages of life, scientific, scientific-organizational activities of the prominent Ukrainian scientist in the field of preventive medicine, Academician of the National Academy of Sciences and the Academy of Medical Sciences of Ukraine, Corresponding Member of the Russian Academy of Medical Sciences, Honored Scientist of Ukraine, twice the State Prize of Ukraine laureate, laureate of the F.F. Erisman AMS of USSR, prize of AMS of Ukraine on preventive medicine Yu.I. Kundiev. The scientific works of Yu.I. Kundiev cover a wide range of issues: physiology of labor, dermal toxicology, toxicology of pesticides and other chemicals, labor medicine in agriculture, history of medicine, bioethics, etc. The chronological index introduces the works of the scientist.