ATOM! By lisadoolittle 442 Democritos Jan 1, 1777 Dalton Jan 1, 1897 J.J. Tompson Jan 1, 1898 Ernest Rutherford Jan 1, 1909 Robert Millikan Jan 1, 1913 Neils Bohr Jan 1, 1926 Schrodinger Jan 1, 1931 Chadwick Feb 7, 2012 Resources http://atomictimeline.net/ http://www.angelfire.com/mb2/atoms/ http://www.barcodesinc.com/articles/timeline-on-atomic-structure.htm http://www.google.com/webhp?hl=en