IN MEMORY OF PROFESSOR MYKOLA STEPANOVYCH OGNYANIK – AN OUTSTANDING UKRAINIAN HYDROGEOLOGIST

The article is dedicated to Mykola Stepanovych Ognyanik – an outstanding scientist-hydrogeologist, Doctor of geological and mineralogical sciences, Professor, head of the groundwater protection department of the Institute of Geological Sciences of the National Academy of Sciences of Ukraine. M.S. Ognyanik is a recognized specialist in the field of groundwater protection against man-made pollution, in particular, by light oil products. The article covers the main facts of the biography of M.S. Ognyanik, his scientific and pedagogical activities, and important scientific publications.