Famous personalities from medicine and their discoveries

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Across
  1. 3. Discovered the use of insulin in diabetes treatment
  2. 8. Discovered penicillin (8 letters)
  3. 9. Pioneered organ transplantation
  4. 10. Developed the pasteurization process
  5. 11. Discovered radiation and developed radioactivity for medicine
Down
  1. 1. Developed the first antibiotic
  2. 2. Founded the principles of modern medicine
  3. 4. Pioneered the use of radiation for treating cancer
  4. 5. Developed the first vaccine for smallpox
  5. 6. The first person to use the term 'vaccination'
  6. 7. for the Crossword: