February 14, 2018 famous scientist, radioecologist, D. Sc. (Biol.), leading researcher of Radiation and Chemical Biology Department of IMBR RAS Galina Lazorenko passed away. She was the author of 236 publications, including 11 collective monographs and 162 articles. On the scientific internship at Risø DTU National Laboratory in Denmark, Galina Lazorenko mastered new radiochemical methods for determining Chernobyl radionuclides of cesium, transuranium elements and a natural radionuclide 210Po and received an official IAEA certificate in the direction “Marine Biobiology” for the application of these methods.