Marie and Pierre Curie
Marie Curie was a French-Polish physicist and chemist who was a pioneer in the field of radiation and radioactivity. Also, she was the first person to win Nobel Prizes in two different fields, physics (1903) and chemistry (1911). Her husband, Pierre Curie, also studied radioactivity. In addition to that he also was a pioneer in the fields of crystallography, magnetism and piezoelectricity.