People of the 19th-20th Century

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Across
  1. 2. developed asepsis
  2. 5. discovered that a live virus provided a more effective immunity
  3. 6. discovered that microorganisms cause disease
  4. 8. discovered penicillin
  5. 9. discovered killed polio virus kills polio
  6. 10. identified germ causing tuberculosis
Down
  1. 1. identified the cause of puerperal fever
  2. 3. discovered x-rays
  3. 4. first to use antiseptic during surgery
  4. 7. discovered effect of medicine on disease causing microorganisms