2317 신민재

The person I would like to introduce today for the public good is Alexander Fleming, a respected Scottish scientist who made an important contribution to human health. Now, I am going to introduce the remarkable achievements that had been made by Fleming before he became famous for discovering penicillin. His discovery changed the history of medicine, and I hope that after hearing his story, you will understand how one person's curiosity can help protect many people's lives. In 1928, Fleming was working as a bacteriologist at St. Mary's Hospital in London. One day, he noticed that bacteria around a certain mold were not growing. He himself carefully examined the mold and realized that it produced a substance that could kill bacteria. At that time, many bacterial infections were difficult to treat, and effective antibiotics had not been developed yet. Fleming continued his research and named the substance penicillin. Before penicillin became widely used, many patients with serious bacterial infections had been treated with limited methods. Fleming himself believed that his discovery could be useful in medicine. His research was later studied and developed by other scientists, and penicillin had been improved for medical use. As a result, penicillin became one of the most important medicines for treating bacterial infections. Fleming himself did not develop penicillin into a widely produced medicine, but his discovery provided an important starting point. By the time penicillin was widely produced, its medical value had been recognized by many scientists and doctors. Fleming and his work themselves became symbols of scientific discovery and service to humanity. His discovery helped save many lives and changed the way bacterial diseases were treated.