ПАМ'ЯТІ ВИДАТНОГО ВЧЕНОГО В ГАЛУЗІ ФІЗІОЛОГІЇ РОСЛИН, БІОХІМІЇ Й ЕКОЛОГІЇ, ПРОФЕСОРА СТЕПАНА СТЕПАНОВИЧА КОСТИШИНА (07.02.1932–12.04.2022)

On April 12, 2022, at the age of 91, the heart of a world-renowned Ukrainian scientist in the field of plant physiology, biochemistry and ecology, Doctor of Biological Sciences, Professor, Academician of the Academy of Sciences of the Higher School of Ukraine, Honoured Worker of Science and Technology of Ukraine, Doctor of Law of the University of Saskatchewan (Canada), Honorary Citizen of Chernivtsi and Lock Haven (USA), Honorary Member of the International Organization of Universities "Phi Beta Delta" USA, Honorary Professor and former Rector of Yurii Fedkovych Chernivtsi National University, Stepan Stepanovych Kostyshyn, stopped. More than 50 years of study and work of S. S. Kostyshyn were connected with only one institution of higher education - Yurii Fedkovych Chernivtsi National University. Since 1965 he worked as an assistant professor, associate professor, professor, and head of the Department of Biochemistry and Experimental Ecology of the Faculty of Biology at the University. From 1972 to 1987 Stepan Stepanovych was the Vice-Rector for Research, and from 1987 to 2001 he was the Rector of Chernivtsi National University. Since 2002 he headed the Department of Ecology and Biomonitoring, and at the same time was an advisor to the rector of the university. He became the founder of the national school on plant heterosis, was the head of the Chernivtsi branch of the Ukrainian Biochemical Society. S. S. Kostyshyn's scientific achievements are more than 300 scientific works (individual and co-authored), including three monographs, six manuals, six copyright certificates for inventions, popular science books, etc. The life and creative path of Stepan Stepanovych Kostyshyn is an example of devotion to a favourite activity, an example of human dignity, decency, high spiritual generosity, optimism, and loyalty to serve Ukraine, people and science. Creative work in science was for him a matter of life, where he realized his brilliant scientific and pedagogical skills as well as civic position through a keen mind and talent.