What is Penicillin?

Penicillin is an antibiotic used to treat bacterial infections. They are derived from Penicillium fungi.
Penicillins are the first anti-bacterial drugs used by doctors and attack a wide range of bacteria.

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https://en.wikipedia.org/
A video explaining the discovery of penicillin.
www.youtube.com/watch?v=36x124crRVk
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http://www.peoriahistoricalsociety.org/ Dr. J. Wachtel, Peoria Chemist
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http://www.nyteknik.se/ Alexander Fleming, Ernest Chain, Howard Florey