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  Born France 1743 Paris
Made the distinction between elements and compounds - 
  
  Born France 14 Jun 1736
Made a law that the force between two electrical charges and inversly proportional to the square of the distance between them. - 
  
  Born England 6 Sep 1766
Created the atomic theory which stated that atoms are incredibley small particles that are indestructible - 
  
  Born Ireland 15 Feb 1826
Found that electricity is negatively charged eletrons - 
  
  Born England 18 Dec 1856
Found the electron and a model of the atom called the plum pudding model - 
  
  Born German 28 Apr 1858
Createdthe quantum theory explaning the behaviour of energy on the atomic level - 
  
  Born America 22 Mar 1868
Found the electrical charge of an electron - 
  
  Born NZ 30 Aug 1871
That the mass of an atom is concentrated in the centre of the atom in a positively charged ball found during his gold foil experiment - 
  
  Born Denmark 7 Oct 1885
Electrons circled the atom in large orbits. He also dicovered atoms emit or absorb radiation when jumping between moving and stationary states - 
  
  Born Germany 30 Sep 1882
Invented the geiger counter, a devise which measures radioactivity - 
  
  Born England 20 Oct 1891
Found the nuetraly charged particles neutrons - 
  
  Born Germany 8 Mar 1871
Created nuclear fission where a nulcleus slits into two nuclei - 
  
  Glenn-Mann: Born America 15 Sep 1929
Zweig: Born Russia 30 May 1937
Came up with quarks which are little bits of matter