MacroMania: How old were the inventors of major inventions? http://andolfatto.blogspot.com/2016/04/how-old-were-inventors-of-major.html?spref=tw …
@DanielleMorrill Danielle if you like that Human Accomplishment by Charles Murray is also a good reference. Don't agree with everything tho
10:29 PM - 15 Apr 2016
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