2h 22min, jul 4, 1897 y - Sir Joseph John “J.J.” Thomson
Description:
Thomson published the results of a series of experiments with cathode rays and cathode ray tubes leading him to the discovery of electrons and subatomic particles. Created the “Plum Pudding Model".Added to timeline:
Date:
2h 22min, jul 4, 1897 y
Now
~ 129 years ago