On May 19, 2022, the heart of the famous biologist, Doctor of Biological Sciences, Professor, and corresponding member of the NAN of Ukraine, Honored Science and Technology Officer Hryhoriuk Ivan Panasovych stopped beating. 
 Ivan Panasovych was born on October 24, 1941, in the village of Toporivtsi of the Novoselytsia district, Chernivtsi region. After graduating from school, he entered the Faculty of Biology of the University of Chernivtsi, graduating in 1965 with a degree in Plant Physiology and qualified as a biologist, plant physiologist, and teacher of biology and chemistry. He was doing his postgraduate studies from 1966 to 1969 at the Institute of Plant Physiology of the Academy of Sciences of the USSR (now the Institute of Plant Physiology and Genetics of the National Academy of Sciences of Ukraine), where he was employed until 2005. He was the Candidate in Biological Sciences since 1978, Doctor of Biological Sciences since 1996, Professor since 2000. 
 In 2005 Ivan Panasovych, Professor of Ecobiotechnology and Biodiversity, was appointed the Director of the NNC of Biotechnology, Biotech Service, and Bioenergy Conversion of the National Agricultural University. In 2007 he headed the Educational and Scientific Institute for Nature Conservation and Biotechnology and at the same time worked as a professor at the Department of Plant Physiology, Ecology and Biomonitoring of the National University of Bioresources and Nature Management of Ukraine (NUBIP). 
 He is one of the founders of a scientific school in Ukraine for the study of theoretical and experimental physiology of regulatory systems of water exchange, physiological and molecular biological mechanisms of stability, and adaptation of cultivated plants to environmental stressors.
 
 
 Corresponding Member of the NAN of Ukraine I. P. Hryhoriuk – author and co-author of more than 1000 scientific, educational and popular scientific works, including 35 monographs, 10 books, and brochures, 5 textbooks, 3 dictionaries, 630 articles (50 of them – abroad), 34 certificates and patents for inventions and 68 scientific and practical recommendations and guidelines, most of which are introduced into production. He was the scientific director of 12 candidate and a scientific consultant for 5 doctoral dissertations.
 For his conscientious work I. P. Hryhoriuk was awarded many national awards. On June 5, 2009, by the Decree of the President of Ukraine I. P. Hryhoriuk was awarded the honorary title «Honored figure of science and technology of Ukraine» for a significant personal contribution to solving environmental problems and preservation of the environment. He was a winner of the State Prize of Ukraine in the field of science and technology in 2011.