Antoine Henri Becquerel Info

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)

: In 1901, after being accidentally burned by a vial of radium in his pocket, he realized that radioactivity could affect living tissue. This led to the birth of radiotherapy for treating cancer. Awards and Legacy Henri Becquerel – Facts - NobelPrize.org

: 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

Beyond the initial discovery, Becquerel’s research advanced the field in several ways:

Becquerel's most famous achievement was an accidental discovery involving uranium salts. This led to the birth of radiotherapy for treating cancer

: On a cloudy day in Paris, he placed uranium crystals on a photographic plate wrapped in black paper and tucked them in a dark drawer.

: He was the first to realize that beta particles were identical to the high-speed electrons recently discovered by J.J. Thomson. : On a cloudy day in Paris, he

: In 1899, he demonstrated that some radioactive rays (beta particles) could be deflected by magnetic fields, proving they were charged particles rather than waves.