Fleming discovers penicillin 1928 - 1945. Photo: ... In 1928, he was straightening up a pile of Petri dishes where he had been growing bacteria, but which had been piled in the sink. He opened each ...

The accidental discovery of penicillin by Alexander Fleming in 1928, when mold contaminated one of his petri dishes, changed the course of modern medicine, with antibiotics key to the decline of ...

Fleming discovers penicillin 1928 - 1945. ... In 1928, he was straightening up a pile of Petri dishes where he had been growing bacteria, but which had been piled in the sink.