ವಿಕಿರಣಶೀಲತೆಯನ್ನು ಕಂಡುಹಿಡಿದವರು ಯಾರು?

Henri Becquerel discovered radioactivity in 1896, when uranium salts fogged photographic plates without exposure to light. He shared the 1903 Nobel Prize in Physics with Marie and Pierre Curie.