Famous Vaccine Inventor Crossword Puzzle

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Across
  1. 3. His father's name
  2. 4. Third son
  3. 6. His younger brother
  4. 9. Second son
  5. 11. His mother's name
  6. 12. Last name
Down
  1. 1. Where he was born
  2. 2. His invention
  3. 4. Second spouse
  4. 5. His older brother
  5. 7. Middle name
  6. 8. First son
  7. 9. First name
  8. 10. First spouse