science atomic timeline By robert.jordan2018 Feb 27, 2015 Democritus https://the-history-of-the-atom.wikispaces.com/Democritus Feb 27, 2015 Rutherford http://www.iun.edu/~cpanhd/C101webnotes/modern-atomic-theory/rutherford-model.html Feb 27, 2015 Bohr http://abyss.uoregon.edu/~js/glossary/bohr_atom.html Feb 27, 2015 Heinsburg and schrodinger http://timeline.web.cern.ch/events/erwin-schr%C3%B6dinger-and-werner-heisenberg-devise-a-quantum-theory Feb 27, 2015 Dalton http://www.iun.edu/~cpanhd/C101webnotes/composition/dalton.html Feb 27, 2015 J.J. Thomas http://www.biography.com/people/jj-thomson-40039