Who is Alexander Fleming?

Alexander Fleming

Alexander Fleming

You may already know who exactly Alexander Fleming, the man who has contributed in advancing medical science so many people had been saved. Sir Alexander Fleming is the man who is known as the inventor of penicillin (an antibiotic type of drug which works by fighting bacteria).

Alexander Fleming was born in Lochfield, a farm near Darvel, Scotland. He was a smart kid who was the third child of four siblings in his family and he still had four half-brothers.

Fleming attended Loudoun Moor School and Darvel School, and then he continued his studies for two years at Kilmarnock Academy. After graduating from this acadeny, then he worked in delivery service company for four years. When he was 20-year-old Fleming inherited the portion of his uncle’s wealth. Fleming’s brother who works as a doctor suggested that he had to following his career, so later in 1901 Alexander Fleming worked at St. Mary’s Hospital, London. He then gets a special qualification to continue his studies in 1906 with the choice of become a surgeon.

Alexander Fleming in his jobs is a famous person because he is an expert researcher who is very clever, but he is a careless person and his laboratories were often looks messy. In 1928, after coming home from a long vacation, Fleming recently remember the bacteria which were placed on a laboratory dish he forget not to kept well, so these bacteria have been contaminated with a type of fungus. Then, he dumped some laboratory dishes containing bacteria, but Fleming then noticed and realized that the development of bacteria on the areas that have been contaminated by the fungus becomes stunted. Fleming then took a sample of the fungus and observed it in earnest, he found that the fungus derives from genus Penicillium. That’s why now the drug was named penicillin.

Fleming’s discovery in September 1928 marked the new century in the world of modern antibiotics. Fleming also discovered that the bacteria themselves can develop resistance to penicillin when penicillin used as an antibiotic are a few and used in short term.

Because in that time penicillin was a very difficult to be developed, Fleming desperate to develop these antibiotics. Soon after Fleming no longer develop penicillin, Howard Florey and Ernst Chain took over the development and conducted large-scale production with funding from the American and British governments. Norman Heatley suggested that by transferring the active ingredient of penicillin back into water and changing its acid level, would be sufficient to produce drugs that can be used for experiments on animals.

Then, arose the idea that “Without Fleming, no Chain, without Chain, no Florey, without Florey, no Heatley, without Heatley, no penicillin.”



inventor is a person who first comes up with a brand new idea or thing


antibiotic is a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections


bacteria are microscopic living organisms, usually one-celled, that can be found everywhere. They can be dangerous, such as when they cause infection, or beneficial, as in the process of fermentation


attended is having a caretaker or other watcher


wealth is property that has economic utility: a monetary value or an exchange value


dirty and disorderly


fungus is an organism of the kingdom Fungi lacking chlorophyll and feeding on organic matter


stunted is inferior in size or quality


earnest means you are serious about something


genus is a class or group of something. In biology, it’s a taxonomic group covering more than one species


desperate means “having lost all hope.”


conduct is direct the course of; manage or control

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