apr 22, 1911 - New Zealand chemist Ernest Rutherford
Description:
interprets the 1909 experiments of Hans Geiger and Ernest Marsden, establishing for the first time the “planetary model” of the atom, where a central nucleus is circled by a number of tiny electrons like planets around a sun.Added to timeline:
Date:
apr 22, 1911
Now
~ 113 years ago
