Antoine Henri Becquerel | Trusted

Antoine Henri Becquerel (1852–1908) was a Nobel Prize-winning French physicist renowned for his discovery of . His work laid the foundational stone for nuclear physics and changed our understanding of the atomic structure. The Discovery of Radioactivity (1896)

: He was the first to realize that beta particles were identical to the high-speed electrons recently discovered by J.J. Thomson. antoine henri becquerel

: Days later, he developed the plate and found a clear, dark image of the crystals—meaning they were emitting "penetrating rays" spontaneously, without any external energy source like the sun. antoine henri becquerel

: Inspired by the discovery of X-rays, Becquerel wanted to see if phosphorescent materials emitted X-rays after being exposed to sunlight. antoine henri becquerel