Penicillin

Penicillin was discovered in 1928. It was discovered by Alexander Fleming, a bacteriologist.

The discovery of penicillin was one of the greatest scientific achievements of the 1900s. Penicillin belongs to a group of medical drugs called antibiotics. These medicines fight infections caused by small living things called bacteria.

Discovery of Penicilin

Alexander Fleming

Penicillin is a mold used to treat bacterial infections.