Contributions By island72 Nov 16, 1803 Atomic Theory ~Dalton http://www.buzzle.com/articles/john-daltons-atomic-theory.html Aug 16, 1831 Composition of Electricity ~ Faraday http://www.wisedude.com/personalities/faraday.htm Nov 16, 1897 Leptons ~ Thomson http://www.aip.org/history/electron/jjhome.htm Nov 16, 1906 Charge/Mass Of Electron ~ Thomson http://web.lemoyne.edu/~giunta/EA/THOMSONann.HTML Nov 16, 1911 The Nucleus ~ Rutherford http://www.rsc.org/chemsoc/timeline//pages/1911.html Nov 16, 1920 Proton/Charge ~ Rutherford http://www.thocp.net/biographies/rutherford_ernest.html Oct 1, 1927 Energy Levels ~ Schrodinger http://www.vigyanprasar.gov.in/scientists/ESchrodinger.htm Nov 16, 1932 Neutral Neutron ~ Chadwick http://www.pbs.org/wgbh/aso/databank/entries/dp32ne.html Nov 16, 1964 Quarks ~ Gell-Mann & Zweig http://en.wikipedia.org/wiki/Quark
