How was Marie Skłodowska-Curie awarded the Nobel Prize?

Name: Marie Skłodowska-Curie . 
Country: Poland, France.
Date of Birth: 7 November 1867.
Died: 4 July 1934.
The subject of Study: Pitchblende, Polonium, Radioactivity, Radium.
Noble Prize Year: Nobel Prize for Physics in 1903 for their research on the discovered radioactivity.