@BoingBoing Norman Borlaug is often credited with saving a *billion* lives.
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@BoingBoing Johannes Gutenberg - printing pressThanks. Twitter will use this to make your timeline better. UndoUndo
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@BoingBoing Alexander Fleming, inventor of Penicillin. Can't think of a more impactful discovery ever. Turned human evolution upside downThanks. Twitter will use this to make your timeline better. UndoUndo
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