The award was divided to 3 pioneers of physics: Anotine Henri Bequerel, Pierre Curie and his wife Marie Curie. Bequerel was the first man to notice radioactivity since radioactive materials change the film of a camera. He noticed that uranium was radioactive. The Curie couple took his research one step further and examined many minerals and materials for radioactivity and with their work they managed to isolate new radioactive elements, radium and polonium.