Micro-Biology

**Alexander Fleming (1881-1955)**

Alexander Fleming discovered penicillin that was to be one of the most powerful of all antibiotics.

**Margaret Pittman (1901-1995)**

 Margaret Pittman was a bacteriologist who was developing a vaccine for whooping cough remains the scientific basis for protecting the children.


 * Alice Catherine Evans (1881-1975) **

 Alice Catherine Evans was an American microbiologist who was the first woman scientist to have a permanent appointment in the U.S.