russ_watters
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The problem with historical examples from the distant pat is that science was smaller and less formal then. I see Franklin as more of an inventor and tinkerer than formal scientist, but since many things he studied/tinkered with were poorly developed it was possible for him to contribute. Today the entry barrier is much higher. That's why more commonly people constrain the statement to the past 100 years or turn of the 20th century.hutchphd said:With respect I think this is a bit broad: depending upon your definition of layperson. The first example that popped into my head was Ben Franklin (yes long ago but many of the founding fathers were lay scientists).