Science Timeline

By SangerRQJ
  • 460

    Democritus

    Democritus
    Demoritus was a greek philosopher who proposed that small particles called atoms make up matter.

  • John Dalton

    John Dalton
    Dalton was a British scientist and school teacher who reintroduced the concept of atoms with evidence to support his ideas.

  • J.J. Thompson

    J.J. Thompson
    JJ Thompson helped to indeitfy electrons as particles that are present in every atom.

  • Ernest Rutherford

    Ernest Rutherford
    Ernest Rutherford discovered the positivley charged nucleus of the atom.