Dmitri Ivanovich Mendeleev (1834–1907), Russian chemist. He invented the periodic table, a system of classifying chemical elements that allowed him to predict properties of then-unknown elements. —3rd South African unpublished Appr GLS (19.3.92), —3rd South African published appr gls (14.4.92)
MENDELEEV
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Dmitri Ivanovich Mendeleev (1834–1907), Russian chemist. He invented the periodic table, a system of classifying chemical elements that allowed him to predict properties of then-unknown elements.