i will start from the begging being from a Family of Doctors Marie Curie wanted to be a doctor .so she went to a college called University of Paris were she also met her future husband Purie curie after all of that said and done she found out that she wanted to be continue her studies in her husbands laboratory . with all of there studies her husband and her found out an 2 elements radium and polonium two radioactive elements they also studied the emitted X-Rays .she was also was awarded 2 Nobel prizes one in 1903 for her and her husbands contribution to spontaneous and another one just for her in 1911 for her reaserch for radioactivity .