Structure of Atoms and Matter Timeline by Ashi

By ashi

  • Lavoisier

    French chemist, who is considered the founder of modern chemistry.

  • John Dalton

    British chemist and physicist, who developed the atomic theory upon which modern physical science is founded, Dalton's most important contribution to science was his theory that matter is composed of atoms of differing weights and combine in simple ratios by weight.

  • Henri Becquerel

    1896 discovered radiation by studying the effects of x-rays on photographic film

  • The Curies

    Pierre Curie and his wife Marie Curie stated that radioactive materials cause atoms to break down spontaneously, releasing radiation in the form of energy and subatomic particles.

  • J.J Thomson

    J.J Thomson was the first to discover the electron.

  • Albert Einstein

    1905 Einstein was known as the creator of the special and general theories of relativity and for his intelligent hypothesis concerning the particle nature of light.

  • Hans Geiger

    1906 invented a device that could detect alpha particles.

  • Ernest Rutherford

    1909-1911 British physicist, who became a Nobel laureate for his pioneering work in nuclear physics and for his theory of the structure of the atom.

  • Neils Bohr

    1913 Bohr made numerous contributions to our understanding of atomic structure and quantum mechanics.