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Penicillin was discovered in 1928 by the Scottish scientist Sir Alexander Fleming accidentally when he was conducting experiments in his laboratory. He noticed that microbes in some of his cultures were killed off by the growth of Penicillium mold. He was able to extract the effective substances and "penicillin" became the first dedicated antibiotic drug.

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12y ago
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13y ago

The Alexander Fleming, while looking for an antibiotic, failed to clean some of his glassware adequately.

It went down in history as one of those "happy accidents" when he noticed something on a not-so-clean petri dish had the properties he was searching for. Namely, suppression of the growth of certain kinds of bacteria.

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14y ago

The penicillin was discovered by Alexander Fleming from a petri dish that Alexander Fleming left in his work bench at St.Mary's hospital. This petri dish had Staphylococcus aureus growing on it before he left, but unusually some kind of mold that formed on the petri dish killed the Staphylococcus aureus. This anomaly was discovered by Alexander Fleming in the year 1928.

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12y ago

He was mucking about and I believe he went on holiday or went on a stroll and actually one of his assistants noticed the impressive efficient bacteria-killing super fun time action of the penicillin.

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14y ago

Many people worldwide were dying when there wounds got infected, penicillin kills germs that infect wounds.

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Wiki User

11y ago

Some mould was discovered on some food by a scientist called flemming whilst throwing it away. What made him think it would be useful I'll never know but luckily he did.

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Anonymous

Lvl 1
3y ago

A scientist was doing studies on molds and 1 of his molds was killing out the others. The scientist discovered penicillin killed bad bacteria’s that way.

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Q: Where was the penicillin discovered?
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