Henry Becquerel (Henri Becquerel, 15 December 1852 ¨C 25 August 1852), a French physicist, was born today (November 5, 1852), the natural radioactive discoverer Henry Becquerel was born. Henry Becquerel (Henri Becquerel, 15 December 1852 ¨C 25 August 1852), a French physicist, was awarded the Nobel Prize in Physics in 1903 for the discovery of natural radioactive phenomena. At the time Becquerel, the chosen material for the phosphorus material was the sulphate sulphate of uranium and uranium. He began to think that both materials would be exposed to the sunlight, and then with black paper packed the exposed material and the sensor floor together. After a period of time spraying the bottom, the image of the crystal was shown. Becquerel concluded