Posted by jdemaris on February 06, 2009 at 11:33:43 from (67.142.130.45):
In Reply to: Re: John Deere posted by Glen D Anderson on February 06, 2009 at 08:22:14:
No, not just opinions, but yes, many origins we will never know. There are plenty of hard facts existing, from all over the world that provide a chain of evidence for the existence of pieces of technology, medicine, exploration, etc. at certain times. As to sources and agendas, that's why good researchers stick to primary documents only when possible.
One big problem is - it's near impossible to prove a negative. There might be proof that somebody did something at a certain time - but that does prove it's the first.
There is also the problem of the boss-worker relationship. Many inventions credited to certain people were often actually built by workers under them.
There is overwhelming proof for some of these things - e.g. Rudolh Diesel was absolutely not the inventor of the first sucessful diesel engine. Mr. Clark was before him - but that doesn't prove Clark was the first either. Also plenty of evidence of steel plows before the ones made by John Deere.
Also the problem of people that invent things for their own use and don't mass market them. That's kind of what happened to Isaac Newton and the "calculus" he invented just for his own use. When he found out that someone on the other side of the world had done the same and might get credit for it, he put his out into the public.
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