Mykola Mykolaiovych Barna, who celebrated his 85th birthday on February 8, 2023, is a renowned Ukrainian scientist in the fields of botany, morphology, dendrology, and plant cytoembryology. He holds the titles of Academician of the Academy of Sciences of Higher Education of Ukraine, Merited Science and Technology Functionary of Ukraine, Education Excellence of Ukraine, Nature Conservation Excellence of Ukraine, and is an Honorary Member of the Ukrainian Botanical Society. He is also a scholarship holder of the Cabinet of Ministers of Ukraine, a Doctor of Biological Sciences, and a Professor at the Department of Botany and Zoology at Ternopil Volodymyr Hnatiuk National Pedagogical University.
 This article highlights Professor’s impressive 62-year career in production, research, education, pedagogy, and public service. He began as a lecturer and senior lecturer at the Department of Botany in 1971, became an associate professor in 1975, and a professor in 1996. He served as the head of the Department of Botany from 2002 to 2012 and as the head of the Department of Botany and Zoology from 2012 to 2014. Additionally, he held positions such as Deputy Dean of the Faculty of Natural Sciences from 1977 to 1985 and Dean of the Faculty of Chemistry and Biology from 1990 to June 2006.
 Professor M. M. Barna’s extensive scholarly output includes over 450 published works, including monographs, bibliographies, dictionaries, scientific publications, educational materials for high and secondary education institutions, and methodological recommendations. He has supervised the defence of seven PhD theses and served as an official opponent at academic councils for the defence of doctoral and PhD theses. He was a member of specialised academic councils at the M. G. Kholodny Institute of Botany of the National Academy of Sciences of Ukraine and the National Forestry University of Ukraine. For over two decades, he chaired the editorial board of the specialised scientific publication “Scientific notes of Ternopil Volodymyr Hnatiuk National Pedagogical University. Series: Biology.”
 Professor Barna's contributions also extend to initiatives such as the establishment of the Arboretum of Ternopil State Pedagogical Institute, the creation of the herbarium of the Department of Botany (now the “Herbarium-laboratory of plant morphology and taxonomy”), and the establishment of the laboratory of biology and ecology known as the “Holytskyi biostation of the university.” He played a crucial role in the realisation of the Biblical Botanical Garden on TNPU’s premises, turning this idea into a reality. Professor Mykola Mykolaiovych Barna's lifelong dedication to science and education has left an indelible mark on his field and the academic community.
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