The article gives a profound research of the life and scientific activity of the outstanding Russian scientist Peter Yakovlevich Borisov. Professor Borisov was not only a leading scientist and naturalist in the field of physiology of digestion, hematology, pharmacology and balneology, but also a brilliant teacher of the high school. It was he who rendered great services in organization and work of different medical societies in Odessa, which favored development of science and practical medical activity, as well as in formation of Pharmacology Department of the Novorossiysk University.
