Original: Antoine Henri Becquerel (15 December 1852 - 25 August 1908) was a French physicist, Nobel laureate, and the discoverer of radioactivity along with Marie Curie and Pierre Curie, for which all three won the 1903 Nobel Prize in Physics.
Simplified: Antoine Henri Becquerel (15 December 1852 - 25 August 1908) was a French physicist. He was awarded the Nobel Prize in Physics in 1903 together with Marie Curie and Pierre Curie, for his discovery of radioactivity in 1898.