Alexander Fleming- A great biologist

Alexander Fleming is one of the greatest biologists who the world had seen. His achievements are simply great. His best known achievement is the discovery of penicillin. This antibiotic helped to save several thousand lives. For this discovery, he was rightly awarded Nobel Prize in Physiology. His work regarding bacteria is indispensable in the field of biology. Before his work on penicillin, he founded few antiseptic medicines during the First World War. It really helped several thousand soldiers in saving their lives. After his recognition in the work of bacteria, he pursued his research in the same field, which gave him a big name for finding Penicillin. Thus his hard work and self confidence gave him such a great name.