The establishment of a law, moreover, does not take place when the first thought of it takes form, or even when its significance is recognised, but only when it has been confirmed by the results of the experiment.
-- Dmitri Mendeleev
   
Dmitri Mendeleev   Name:
Dmitri Mendeleev
Type:
Scientist
Nationality:
Russian
Birth:
February 8, 1834
Death:
February 2, 1907
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