Sir Alexander Fleming
Sir Alexander Fleming was born in Lochfield, Scotland on August 6th, 1881. He attended St. Mary's Medical School in London. It was in St. Mary's, where Sir Alexander Fleming began his research. Early in his medical life, Fleming became interested in the natural bacterial action of the blood and in antiseptics. He then served in World War I as the captain of the Medical Corps, as he continued his studies and started to work on antibacterial substances which would not be toxic to animal tissues. In 1921, he discovered in tissues and secretions
The nutrient base for the penicillin grown there was corn (maize), which was not commonly grown in Britain. It was first used 12 years later in World War II, and it saved millions of lives. He was inspired to future experiment and he found that a mold culture prevented growth of any bacteria, even when diluted 800 times. After that, doctors started to prescribe it to their patients, and people were being cured of diseases that many people had died of in the years before. If Fleming had not made that discovery, millions and millions of lives would not have been saved and the population would have never grew. In 1928, while working on influenza virus, he observed that mold had developed accidently on a culture plate and that the mold had created a bacteria-free circle around itself. The biggest problem was producing enough penicillin. The agriculture of Illinois proved useful, too. More vigorous and productive strains of the mold were sought, and one of the best came from a rotting cantaloupe from a market. The penicillin loved it, and yielded almost 500 times as much as it had before. An agricultural research center there had developed excellent techniques of fermentation, a process needed for penicillin growth. About this time, he found sensitivity titration methods and assays in human blood and other body fluids, which he subsequently used for the titration methods of penicillin. Florey and another researcher traveled to the U.
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