If you look at life expectancy graphs, they mostly correlate with GDP per person. You can't really see the invention of antibiotics clearly in the curves. The

If you look at life expectancy graphs, they mostly correlate with GDP per person. You can't really see the invention of antibiotics clearly in the curves. The way I think of it is that of course penicillin increased life spans, but the discovery and industrialization of it was highly correlated with rising GDP.