75th birthday anniversary of ANATOLY GRIGOR'EVICH REVENKO
The current article is dedicated to the 75<sup>th</sup> birthday anniversary of A.G. Revenko who is a famous specialist in the field of X-ray fluorescence analysis. His biographical data and the main career stages are presented. The list of references contains some of his scientific works. A.G. Revenko was born on October 24, 1944 at the Sosyka-I station of the Pavlovsky district of the Krasnodar Territory. In 1965, he graduated from the Physics Department of Rostov-on-Don State University and began to work at the Institute of Geochemistry of the Siberian Branch of the USSR Academy of Sciences (Irkutsk). In 1971, he defended his thesis on the topic of “Research and selection of the conditions of X-ray fluorescence determination of elements with small atomic numbers”. In 1971, A.G. Revenko began to work at the Institute of Applied Physics at Irkutsk State University. In 1977-1988, he was the head of the "Tsvetmetavtomatika" Irkutsk basic research laboratory of X-ray spectral analysis focused on the implementation of the method and the creation of automated analytical control systems at non-ferrous metallurgy enterprises. Since 1988, he has been working at the Institute of the Earth's Crust, SB RAS. Under his leadership and with his direct participation, dozens of X-ray fluorescence analysis techniques have been developed for a variety of environmental materials and industrial products (metals, non-ferrous metal ores, rocks, soils, materials of plant origin, etc.). His studies were described in of the monograph and doctoral dissertation on the topic of “X-ray spectral fluorescence analysis of natural materials”. Teaching activities of A.G. Revenko were at Irkutsk State University, Irkutsk State University of Railway Engineering and Mongolian State University. A.G. Revenko was awarded the “Eson Erdene” Medal for his outstanding contribution to the training of Mongolian specialists. He is the author and co-author of more than 350 publications in journals, conference proceedings and other publications and has four copyright certificates for the inventions. He also served as a scientific adviser for 6 candidates of sciences.