Complex sentence: John Dickinson (March 29,1782--January 11,1869) invented a continuous mechanised paper making process and founded the paper mills at Apsley and Nash Mills in the United Kingdom, which evolved into John Dickinson Stationery Limited.
Split into simpler sentences: John Dickinson (March 29,1782--January 11,1869) invented a continuous mechanised paper making process. He founded the paper mills at Apsley and Nash Mills in the United Kingdom, which evolved into John Dickinson Stationery Limited.