Grace's crossword, 'the fun one'

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Across
  1. 5. a person who loves cats but as a scientific word
  2. 6. someone who is not positive and is negative
  3. 8. a doctor for immune systems
  4. 9. someone who walks at night , asleep
  5. 11. a person who treats feet
  6. 12. a marine biologist who studies species
  7. 14. a pharmacist for eyes
Down
  1. 1. a person who enjoys collecting paper cash
  2. 2. a person who studies anthropology
  3. 3. a person who is in love but not with another human
  4. 4. a weather forecaster
  5. 7. a medical practitioner who specializes in children and their diseases
  6. 10. people who study coins
  7. 13. someone who sees everything in a bright light and is happy
  8. 15. someone who explores caves