Alexander Fleming discovered penicillin in September 1928. He sent his initial observations to the British Journal of Experimental Pathology on 10 May 1929 and they were published a month later. The paper made little impact. It is very different now, of course. Antiquarian booksellers salivate at the thought of a copy and value it not far short of the price of a first edition of a James Bond book by another Fleming.
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