19 июл 1929 г. - Dmitri Mendeleev 1834 - 1907

Описание:

Dmitri Ivanovich Mendeleev was a Russian chemist and inventor. He formulated the Periodic Law, created a farsighted version of the periodic table of elements, and used it to correct the properties of some already discovered elements and also to predict the properties of eight elements yet to be discovered

Добавлено на ленту времени:

Дата: