Prof. Leonty Miroshnichenko obtained his PhD in Physics and Mathematics in 1991 and is currently a professor at IZMIRAN, in the Sector of Helio-Ecological Relations. His research interests include solar cosmic rays, radiation hazards in space, solar flares, solar gamma radiation, interplanetary dynamical processes, diagnostics and forecasts of solar proton events and solar-terrestrial relations. He has written approximately 250 publications, including 11 books on solar cosmic rays and solar-terrestrial relations.