Reflections on the Life of Oleg A. Tretyakov [In Memoriam]

Dr. Oleg Alexandrovich Tretyakov, 83, passed away on Tuesday, 25 January 2022, in Istanbul, Turkey, after a short battle with lung cancer. He was an outstanding expert electrodynamics and radiophysics. the chair of Commission B International Union Radio Science (URSI) Committee Ukraine since 1993, Member IEEE, professor emeritus Department Theoretical Radiophysics, V.N. Karazin Kharkiv National University (KhNU), Ukraine. had experience solving diffraction problems by mathematically rigorous methods, wave scattering from rough surfaces, propagation random media, linear nonlinear phenomena, dynamic chaos microwave oscillators amplifiers. With him, we lost internationally well-known highly regarded leading figure electromagnetic theory. His intellect, integrity, humor, professionalism, humanity will be greatly missed.