• Isaac Newton

    Isaac Newton
    Proposed a mechanical universe with small solid masses in motion.
  • Period: to

    the scientists

    The guys who helped discover the ATOM!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  • John Dalton

    Proposed an "atomic theory" with spherical solid atoms based upon measurable properties of mass.
  • Michael Faraday

    Studied the effects of "electroysis"
  • J. Plucker

    Created one of the first cathode ray tubes
  • Dmitri Mendeleev

    Arranged elements into 7 groups w/ similar properties
    Created the Periodic Law -properties of elements were periodic functions of the their atomic weights
  • James Clerk Maxwell

    Proposed electric/magnetic fields filled the "void"
  • Sir William Crookes

    Discovered cathode rays cause glass to flourecent; impart a negative charge to whatever the hit; are deflected by electric/magnetic fields; etc.
  • G.J. Stoney

    Proposed that electricity was made of electrons
  • Wilhelm Roentgen

    Discovered x-rays with a cathode ray tube
  • Rutherford

    Studied rradiation emmited from uranium and thorium- called them alpha and beta
  • Aston

    Discovered the existance of isotopes through the use of a mass spectograph
  • Enrico Fermi

    Conducted the first controlled chain reaction by releasing energy form an atom's nucleus