Across
- 5. an expert in science
- 7. a person who believes in peace
- 8. someone who plays the flute
- 9. a being from Mars
- 10. a person who plays the piano
Down
- 1. an authority on history
- 2. a specialist in chemistry
- 3. someone who cares for and treats teeth
- 4. a person who organizes book collections
- 6. a funny entertainer