PUZZLE TIME

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Across
  1. 1. Which university employed Howard Florey and Ernst Chain?
  2. 3. What was the nationality of the bacteriologist who discovered penicillin?
  3. 5. What major scientific honor did Fleming, Florey, and Chain share?
  4. 7. In what month of 1928 did Fleming make his crucial observation?
  5. 8. What major historical conflict provided the urgency for mass-producing penicillin?
  6. 9. What characteristic of penicillin made Fleming believe it was safe for internal human use?
  7. 10. Which type of bacteria was growing in the Petri dish before contamination?
Down
  1. 2. What modern health problem has arisen due to the overuse of antibiotics?
  2. 4. What did Fleming observe surrounding the mould on the culture dish?
  3. 6. What was the specific name of the mould strain identified by Fleming?