From January to May 1943, only 400 million units of penicillin had been made; by the time the war ended, U.S. companies were making 650 billion units a month.

Alexander Fleming’s 1928 discovery of a mold with antibacterial properties was only the first serendipitous event on the long road to penicillin as a life-saving drug ... So, in June of that year, ...

Oscar Wilde If it weren’t for a small mistake made by Scottish scientist Alexander ... Fleming discovered the antibiotic penicillin after a petri dish he had left out while on holiday became ...