DISCOVERIES IN ATOMIC STRUCTURE
1. Dalton(1803) : Proposed Atomic Theory
2. Julius Plucker (1859) : First discoverer of cathode rays
3. Goldstein(1886) : Discovered anode rays and proton
4. Sir.J.J.Thomson(1897) : Discovered electron and determined charge/mass(e/m) ratio for electron
5. Rutherford(1891) : Discovered nucleus and proposed atomic model