The discovery of Penicillin ● 1928:Alexander Fleming discovered the first antibiotic. He observed that Penicillium fungus made an antibiotic, penicillin,that killed S. aureus. Penicillium Dr Howard W Florey and his colony German associate Dr Ernest Boris Chain attempting to extract the essential substance from Fleming's Bacteria inhibited mould. ● 12 February,1941,the first dose of isolated penicillin was Bacteria injected into a human being Nobel Prize for Medicine in 1945• 1928: Alexander Fleming discovered the first antibiotic. • He observed that Penicillium fungus made an antibiotic, penicillin, that killed S. aureus. • Dr Howard W Florey and his German associate Dr Ernest Boris Chain attempting to extract the essential substance from Fleming's mould. • 12 February, 1941, the first dose of isolated penicillin was injected into a human being • Nobel Prize for Medicine in 1945 The discovery of Penicillin