Early experimental evidence of atoms More than a thousand years after the Greeks thought about them, some actual experiments gave evidence of Atoms. Join us on patreon.com/thelabwithbrad for extra special extra stuff! Here’s a video on John Dalton, and how he came up with his atomic theory. How John Dalton's meteorological studies led to the discovery of atoms Here’s an article about who and how the chemical elements were discovered. History of the Origin of the Chemical Elements and Their Discoverers