When1: 1869
When2: 1890
Who: Dmitri Mendeleyev [Mendeleyev, Dmitri]
What: chemist/physicist
Where: Russia
Detail: He lived 1834 to 1907 and invented the periodic law and element periodic table [1869].
Physical Sciences>Chemistry>History>Inorganic Chemistry
5-Chemistry-History-Inorganic Chemistry
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Date Modified: 2022.0224