High School History Challenge: How Much Can You Recall?
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QUESTION 24-What substance did Alexander Fleming accidentally discover and isolate, which changed medicine forever?
Correct Incorrect Penicillin: Alexander Fleming discovered penicillin in 1928, but it wasn't until the 1940s that it became widely available as an antibiotic. Fleming himself never made any money from his discovery, as he believed that medicine should be free and available to all.