Chemistry Portfolio

  • Gutenberg printing press
    Jan 1, 1450

    Gutenberg printing press

  • Discovery of the Americas
    Feb 11, 1492

    Discovery of the Americas

  • Period: Feb 11, 1517 to

    Reformation of the Catholic Church

  • Galileo convicted of heresy

    Galileo convicted of heresy

  • Joseph Priestley

    Joseph Priestley

    discovered oxygen, carbon monoxide, and nitrogen dioxide
  • Declaration of Independence

    Declaration of Independence

  • Antoine Lavoisier

    Antoine Lavoisier

    law of conservation of mass; father of modern chemistry
  • Alessandro Volta

    Alessandro Volta

    electrochemical cell and batteries
  • John Dalton

    John Dalton

    Proposed atomic theory
  • Michael Faraday

    Michael Faraday

    electricity and electrochemistry
  • Louis Pasteur

    Louis Pasteur

    pasteurization process
  • Period: to

    First transcontinental railroad in US

  • Civil War

    Civil War

  • Alfred Nobel

    Alfred Nobel

    dynamite; Nobel Prize
  • Henri Becquerel

    Henri Becquerel

    radioactivity
  • Max Planck

    Max Planck

    Formulated equation to describe blackbody spectrum E=hu
  • Guglielmo Marconi

    Guglielmo Marconi

    radio
  • Marie Curie

    Marie Curie

    radioactivity
  • J.J. Thomson

    J.J. Thomson

    Discovered electrons, isotopes, invented mass, spectrometer
  • Eugen Goldstein

    Eugen Goldstein

    Discovered proton
  • Ernest Rutherford

    Ernest Rutherford

    Discovered and made a model of the nucleus
  • Robert Millikan

    Robert Millikan

    Discovered electronic charge and photoelectric effect
  • Neils Bohr

    Neils Bohr

    Published revised version of Rutherford's theory on electron travel
  • Henry Moseley

    Henry Moseley

    Developed atomic numbers of the elements
  • Assassination of Archduke Ferdinand

    Assassination of Archduke Ferdinand

  • Albert Einstein

    Albert Einstein

    Theory of Relativity
  • Bolshevik Revolution

    Bolshevik Revolution

  • Treaty of Versailles

    Treaty of Versailles

  • Sir Fredrick Banting

    Sir Fredrick Banting

    isolated insulin
  • Philo Farnsworth

    Philo Farnsworth

    TV
  • Louis deBroglie

    Louis deBroglie

    Discovered wave nature of electrons
  • Werner Heisenberg

    Werner Heisenberg

    Quantum Mechanics
  • James Chadwick

    James Chadwick

    Discovered neutron
  • Wallace Carothers

    Wallace Carothers

    neoprene and nylon
  • Bombing of Pearl Harbor

    Bombing of Pearl Harbor

  • Leo Szilard

    Leo Szilard

    nuclear chain reactions and atomic bomb
  • First Cellular Phone

    First Cellular Phone

  • Kary Mullis

    Kary Mullis

    polymerase chain reaction
  • Initial concept for world wide web

    Initial concept for world wide web