What about all the middle aged scientists like Galileo, Capurnicus, Newton and others that went against popular belief, and proved wrong what people have been believing in for 2000 years before them. If it wasn't for them there would've been a delay in the discovery of such things as gravity, friction, and the teliscope. That delay could've changed the whole course of the development of modern technologies. The Idea that man could fly might not of gotten to the Wright Brothers, and who knows how long it would've taken man to build and fly the first airplane after them, and everyone else who was trying to build a flying machine then. I'm kind of a physics geek, so that may make my opinion biased.
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