Alexander Fleming Discovered Penicillin in 1928

Alexander Fleming discovered penicillin, somewhat by accident, in 1928. He had been researching effective germ killers when he noticed that a discarded petri dish containing penicillin was killing staph bacteria. He conducted further research and discovered the amazing strength of penicillin. However, he could not figure out how to mass produce penicillin. Howard Florey and Ernst Chain, however, solved that problem. All three shared the Nobel Prize for Physiology or Medicine in 1945. They have saved millions of lives. Older children could learn more at: Alexander Fleming.