1937 - Howard Florey and Ernst Chain at Oxford University began researching penicillin after reading Fleming's articles
Florey and Chain produced enough of the drug and first experimented on mice in 1940
1941 - the first human trial came, the patient died when the drug ran out, but the trial demonstrated the effectiveness of penicillin
Second World War pushed for development of the drug
1943 - it was used on Allied troops in North Africa and proved a huge success
America and Britain began jointly producing vast quantities of penicillin
It treated multiple diseases e.g. bronchitis, pneumonia, meningitis
Led to the development of other antibiotics
1945 - Florey, Chain and Fleming receive the Nobel Prize for Medicine