Peter Pedant, come off it. You're not fooling us that you are that young!
I'm talking about the last century - the 20th if I have to spell it out. Let's be a bit more specific - 1968 would be specifically the year I was referring too.
I've no need to look up anything my friend - I'm an Oxbridge science dean with D.Phil's, PhD's and DSC's in chemistry, organic chemistry, botany, biology and biochemistry. I learnt about Mr Dalton from a tectbook just like you.
Regretfully, your final paragraph is incorrect. I suggest you review your resource.
Are you really going to profess that YOU weren't around in 1968?