Penicillin Discovery Essay

Improved Essays
Some of the greatest discoveries in the world are often a mistake or pure luck. The drug Penicillin is no exception. The step by step process in developing and discovering the medicine will be explained with the help of three sources. Most people don’t know many facts about Penicillin like how it was an accident by the scientist Alexander Fleming and the number of scientists and experiments it took to make the drug successful.

Beginning with the discovery of Penicillin, the medicine wasn’t created on purpose it was merely an accident. Scientist Alexander Fleming went on vacation leaving a mess; when he came back a moldy petri dish caught his eye. “ Fleming saw a ring around the mold. After experimentation, he found the ring to be bacteria free.” (Lane, Source 1) Fleming was expecting to come back to a dirty laboratory; instead he came back to a groundbreaking discovery. Fleming’s left over experiment had been affected by the the air in other floors of the building which caused it to be full of bacteria; making this ring of mold different from the others. This was a “rare spore”(Source 1) in science during the
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Dr. Howard Florey and Norman Heatley made it their job to figure out how to take Fleming’s finding and expand the medicine’s amount. “Florey and Heatley had succeeded in increasing the yields of penicillin 10 times.” (Source 2) The two scientists took the small quantity of medicine and found a way to grow it’s size. Andrew J. Moyer then studied to use Penicillin to help cure infections. Making Penicillin “the most effective antibacterial agent to date.” (Source 2)Fleming, Heatley, and Moyer made Penicillin a medicine we use in the 21st century to prevent sickness. From then on, Penicillin was used in World War II and saved “many lives.” (Source 3) ” To sum up, it took many scientists to develop the drug we know and use 90 years

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