Fleming was working on another experiment, when it got contaminated by mold. Instead of messing up the experiment, Fleming found the bacteria dying, due to the mold.
09/04/1928Fleming writes about his discovery, though it is not very noticed. Fleming does not continue his research.
01/01/1929Ernst Chain And Howard Florey read Alexander Fleming's paper and begin their research, in Oxford.
01/01/1937They begin experimenting with penicillin, using mice. It is very lucky that they chose mice, not guinea pigs because penicillin is toxic to guinea pigs and they may have thought it would be the same for all animals, including us.
01/01/1940They tested penicillin on the first human, in Oxford. It was successful.
01/01/1941The Government worked together to provide funding, Penicillin came into use.
01/01/1941
