Father of fields

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Across
  1. 3. Physics
  2. 5. surgery
  3. 8. Evolution
  4. 10. Computers
  5. 11. Mobile phone
  6. 12. immunology
Down
  1. 1. Modern medicine
  2. 2. Internet
  3. 4. Electricity
  4. 6. Biology
  5. 7. Psychology
  6. 9. Genetics