Inventors - John Dalton

John Dalton (1766 - 1844) . This British chemist developed a theory that all elements are composed of tiny, indivisible particles called atoms and that each element is made up of identical atoms. This came to be known 

as Dalton's Atomic Theory. 

                                          Dalton was also interested in studying the weather. He was colour blind and did a serious study of the causes of colour blindness.