In 1803, John Dalton's atomic theory brought them into scientific view, but the Manchester scientist was clear that he agreed with the Ancient Greeks and believed they could not be broken into simpler ...

The scientist John Dalton ... This atomic model has changed over time. Scientists used the model to make predictions. Sometimes the results of their experiments were a surprise and they did ...

John Dalton was born in 1766 in Cumbria, and worked for most of his life in Manchester. His achievements include: Developing atomic theory. This states that everything is made up of tiny particles ...