ಎಲೆಕ್ಟ್ರಾನ್ ಅನ್ನು ಯಾರು ಕಂಡುಹಿಡಿದರು?

J.J. Thomson discovered the electron in 1897 through his cathode-ray tube experiments. Rutherford discovered the nucleus and Bohr proposed the atomic model.