The book covers the main stages of life, scientific-organizational, medical and social activities of the prominent Ukrainian scientist-surgeon, one of the leading urologists of the world, Hero of Ukraine, Academician of the National Academy of Sciences and the Academy of Medical Sciences of Ukraine, President of the Academy of Medical Sciences of Ukraine, Honored Scientist of Ukraine, twice Laureate of the State Prize of Ukraine, Doctor of Medical Sciences, professor O.F. Vozianov. The scientific works of O.F. Vozianov covers a wide range of issues related to the diagnosis, treatment and prevention of diseases of the kidneys, urinary tract, prostate, uropathological aspects of the medical consequences of the Chernobyl accident, and the history of the development of urology. A chronological index is presented, which introduces readers to the work of the scientist. For researchers and anyone interested in the history of domestic science.