Who discovered the penicillin in 1928?
Alexander Fleming
Alexander Fleming discovered penicillin in 1928 while researching influenza at St Mary's Hospital, London.
Correct answer
John McLeod
John Macleod was the co-discoverer of insulin used to treat diabetes, not penicillin.
Howard Florey
Howard Florey and Ernst Chain further developed Fleming's discovery into a usable drug in the 1940s.
Sir Robert Watson-Watt
Sir Robert Watson-Watt developed radar in the 1930s, not penicillin.
Explanation
Alexander Fleming was researching influenza (the ‘flu’) in 1928 when he discovered penicillin.