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ALEXANDER Fleming discovered penicillin.
what antibiotic did Alexander Fleming discover
St Mary's Medical School
he is the man who invented penicillin. (answered by Becky Jones)
Flemming is most famous for his discovery of penicillin
the second world war had started
he discovered penicillin
Robert fleming
He discovered the injection penicillin
a child hood is when you where a kid**i hade a good child hood**
He discovered penicillin. Or more commonly known, antibiotics which helps us to heal infections.
it is hard to find this answer but if you really want it check out Alexandra Fleming on wikipedia.