John+Dalton.

**__John Dalton__**  John Dalton, born on September 6th, 1776 and died on July 27th, 1844, was a British chemist and physicist born at Eaglesfield, near Cockermouth in Cumberland. Dalton believed that all matter is composed of atoms and that atoms cannot be created or destroyed. Also, all atoms of the same element are identical and different elements have different types of atoms. Lastly, chemical reactions occur when atoms are rearranged and compounds are formed from atoms of the constituent. A few positives and negatives; Dalton’s atomic theory had a lot to do with educated guesses. Nevertheless, it has stood out for all these years, even if it has been added to. That, in fact, atoms can be created and destroyed.  