2017Yuri Oganessian - Sheetlets

The left part of the postage stamp depicts the world-renowned physics of the Armenian origin, Doctor of Physics and Mathematics, professor, Academician of the Academy of Sciences of Sciences Yuri Oganessian, and the right part of the postage stamp depicts the 118th new chemical element of Mendeleev’s periodic table, discovered by Y. Oganessian and named “oganesson” (Og) after the great Armenian scientist.