The crossword solutions for the term 'TO BE, TO MARIE CURIE' are 'ETRE' (4 letters). Marie Curie was a Polish-born French physicist and chemist who conducted pioneering research on radioactivity. She was the first woman to win a Nobel Prize, the first person and only woman to win the Nobel Prize twice, and the only person to win the Nobel Prize in two different scientific fields. She is remembered for her discoveries of the elements radium and polonium, and her work in the field of radioactivity. The French verb 'etre' means 'to be, ' which is an appropriate phrase to describe the accomplishments of Marie Curie.