DOI: 10.17720/2409-5834.v7.2.2021.07g Kostiantyn K. Vasyliev1,Olena G. Vasylieva21Odessa National Medical University2 Valikhovsky Lane, Odessa 65082, Ukraine2Sumy State University2 Rymskogo-Korsakova St., Sumy 40007, Ukraine This paper examines key points in the life story and work of V. N. Klimenko. It establishes that his mentor…