🎴 Flashcard Mode
Human Glands and Endocrine System
Card1 / 19
Mastered0
Review0
QuestionClick to flip
Who discovered the electron?
AnswerClick to flip back
A
Sir J J Thomson
💡 Explanation:
J.J. Thomson discovered the electron in 1897 through his cathode ray tube experiments. Eduard Jenner developed the smallpox vaccine, and Albert Einstein is known for relativity theory, not particle physics discoveries. Thomson received the Nobel Prize in Physics in 1906 for this discovery.