REPOST: How John Dalton's Atomic Theory Changed Science Forever

I'm revisiting one of my first episodes: the story of John Dalton, the self-taught Quaker schoolteacher who never attended university yet gave modern atomic theory its first real momentum. Barred from English universities for his faith, Dalton turned stubborn curiosity into world-changing science, mapping colorblindness before anyone understood it and sketching the first table of elements in a…