While working at St Mary's Hospital in London in 1928, Scottish physician Alexander Fleming was the first to show experimentally that a Penicillium mould secretes an antibacterial substance, which he …

26 Noll 2025 · Discovered in 1939 by French-born American microbiologist René Dubos, they were valuable in treating superficial infections but were too toxic for internal use.

20 Meith 2024 · Penicillin was discovered in September 1928 by Alexander Fleming, a professor of bacteriology, however, it was only introduced on a large scale during the Second World War.

22 Samh 2024 · Discovered in 1928 by Alexander Fleming, penicillin became the first true antibiotic in the field of medicine. It all started when Fleming noticed that a mold – Penicillium notatum –had …

10 Noll 2025 · Looking back, September 28, 1928 might have been one of the most important dates in the history of medicine. On this day, the Scottish doctor Alexander Fleming observed that a mould can …

2 Lún 2025 · The discovery of penicillin occurred in Fleming’s laboratory at St. Mary’s Hospital in London in 1928. Returning from a summer vacation, Fleming began sorting through petri dishes containing …

Sir Alexander Fleming, a Scottish physician and microbiologist, is best known for his accidental discovery of **penicillin**, a breakthrough that profoundly transformed medicine. This serendipitous …

31 DFómh 2025 · Penicillin, the world’s first true antibiotic, was discovered in 1928 by Scottish bacteriologist Alexander Fleming at St. Mary’s Hospital in London. The initial discovery happened …

A folk tradition using molds in medicine was similarly neglected. In 1928 Alexander Fleming discovered penicillin, made from the Penicillium notatum mold, but he did not receive the Nobel Prize in Physiology or Medicine for his discovery until 1945.

While working at St Mary's Hospital in London in 1928, Scottish physician Alexander Fleming was the first to experimentally demonstrate that a Penicillium mould secretes an antibacterial substance, …