Dmitri Mendeleev
Scientists and explorers include, doctors N. Bogoraz and S. Fedosov, scientists Dmitri Mendeleev, A. S. Popov, I. P. Pavlov, George Sedov the Arctic Sea explorer, Yakov Frenkel (1894–1952) a solid-state physicist, Svyatoslav Fyodorov (1927–2000), ophthalmologist, Sabina Spielrein (1885–1942), psychoanalyst, Yuri Oganessian (a nuclear physicist who is the namesake of oganesson (element 118)).