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Penicillin

In Our Time

CHAPTER

The Story of Florian Chain and the Origins of Penicillin

The mould that made penicillin was discovered by Florian Chain. He obtained it from Fleming, who had already published a paper on the subject. The two men were carrying out an analysis of antibiotic-type compounds. They found they could concentrate Penicillin one thousand times and give it to patients.

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