Dimitri Mendeleev (Russian: Дми́трий Ива́нович Менделе́ев, Dmitriy Ivanovich Mendeleyev listen (help·info)) (8 February 1834 [O.S. 27 January] in Tobolsk – 2 February 1907 [O.S. 20 January] in Saint Petersburg), was a Russian chemist. He is credited as being the primary creator of the first version of the periodic table of elements. Unlike other contributors to the table, Mendeleev predicted the properties of elements yet to be discovered.