Mendeleev (8 feb 1834 anni – 2 feb 1907 anni)
Descrizione:
A Russian chemist who proposed Periodic Law and a version of the Periodic table. He arranged it by atomic mass, and left spaces for elements that were undiscovered. Still, he wasn't completely correct.
Aggiunto al nastro di tempo:
Data:
8 feb 1834 anni
2 feb 1907 anni
~ 73 years