Final answer:
Linus Pauling and Marie Curie are two Nobel Prize winners who won in different categories: Pauling in Chemistry and Peace, and Curie in Physics and Chemistry.
Step-by-step explanation:
The two Nobel Prize winners who won in different categories are Linus Pauling and Marie Curie. Linus Pauling received the Nobel Prize in Chemistry in 1954 for his work on the nature of chemical bonds and the Nobel Peace Prize in 1962 for his opposition to weapons of mass destruction. Marie Curie won Nobel Prizes in both Physics and Chemistry. She was awarded the Nobel Prize in Physics in 1903 for her research on radioactivity and shared the 1911 Nobel Prize in Chemistry for her discovery of the elements polonium and radium.