Alexander Fleming was born in Scotland. Doctor and scientist famous for finding penicillin. The discovery was made with chips when it was proven that mold in a bacterial culture prevented the spread of bacteria. He discovered that Penicillium was a notatum fungus and, aware of its antibiotic effect, isolated its active substance. Penicillin was a big leap in medicine, the discovery has saved the lives of millions of people starting the age of antibiotics. The infections before death stopped being fatal.