The discovery of penicillin, the world’s first antibiotic,is attributed to which scientist? #science

Alexander Fleming is credited with discovering penicillin, the world's first antibiotic, in 1928: 





Discovery

Fleming, a Scottish physician-scientist and bacteriologist at St. Mary's Hospital, noticed that a culture plate of Staphylococcus bacteria he left uncovered was contaminated by a fungus, Penicillium notatum. 



Conclusion

Fleming observed that the area around the mold was clear of bacterial colonies, and concluded that the mold produced chemicals that prevented bacteria from growing. 



Naming

Fleming named the chemical penicillin after the mold Penicillium notatum. 



Nobel Prize

Fleming was awarded a share of the 1945 Nobel Prize in Physiology or Medicine for his discovery.