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Antoine Lavoiser
Became the father of modern chemistry and established the Law of Conservation of Mass http://scienceworld.wolfram.com/biography/Lavoisier.html -
John Dalton
He identified the hereditary nature of red-green color blindness and was the first scientist to explain the behavior of atoms in terms of the measurement of weight http://www.biography.com/people/john-dalton-9265201 -
Joseph-Louis Proust
Proved that the relative quantities of the elements that make up a chemical compound is constant, regardless of the component's source http://www.britannica.com/EBchecked/topic/480555/Joseph-Louis-Proust -
William Crookes
Discovery of the element thallium and for his cathode-ray studies, fundamental in the development of atomic physics. http://www.britannica.com/EBchecked/topic/143944/Sir-William-Crookes -
JJ Thompson
Researche in cathode rays led to the discovery of the electron, and he pursued further innovations in atomic structure exploration http://www.nobelprize.org/nobel_prizes/physics/laureates/1906/thomson-bio.html -
Marie Cury
Helped discover polonium and radium and the development of X-rays http://www.biography.com/people/marie-curie-9263538 -
Max Planck
Formulated an equation describing the blackbody spectrum and also developed equations. http://www.nobelprize.org/nobel_prizes/physics/laureates/1918/planck-bio.html -
Plum Pudding Model
Disvoered by JJ Thomson; added electron to atomic model -
Ernest Rutherford
Helped pioneer nuclear physics/ Made Rutherford model http://www.sciencekids.co.nz/sciencefacts/scientists/ernestrutherford.html -
Nucleus Discovered
As a result of Ernest Rutherford's efforts to test Thomson's "plum pudding model" of the atom -
World War 1 start
pitted Germany, Austria-Hungary and the Ottoman Empire (the so-called Central Powers) against Great Britain, France, Russia, Italy and Japan (the Allied Powers) -
World War 1 end
ended in the defeat of the Central Powers -
Neil Bohr
Came up with a revolutionary theory on atomic structures and radiation emission http://www.biography.com/people/niels-bohr-21010897 -
Albert Enstein
Developed the special and general theories of relativity http://www.biography.com/people/albert-einstein-9285408 -
Louis de Broglie
Did work on quantum theory. Research in cathode rays led to the discovery of the electron, and he pursued further innovations in atomic structure exploration http://www.nobelprize.org/nobel_prizes/physics/laureates/1929/broglie-bio.html -
Werner Heisenberg
He devised a method to formulate quantum mechanics in terms of matrices. Considered as one of the most influential figures in nuclear physics, particle physics and quantum field theory http://www.famousscientists.org/werner-heisenberg/ -
Hitler comes to power
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James Chadwick
Proved that the neuron existed http://www.nobelprize.org/nobel_prizes/physics/laureates/1935/chadwick-bio.html -
Erwin Schrodinger
Contributed to scientific posterity the foundations of the study of wave mechanics, crucial to understanding the behavior of subatomic particles and light http://www.nobelprize.org/nobel_prizes/physics/laureates/1933/schrodinger-facts.html -
Fission discovered
paved the way for the development of the atomic bomb -
World War 2 started
Caused by Germany rising to power -
World War 2
Dropping of atomic bombs -
Atom bomb dropped
Dropped twice in Japan, ending world war 2 -
Friedrich Hund
Known for his work on the electronic structure of atoms and molecules. He helped introduce the method of using molecular orbitals to determine the electronic structure of molecules and chemical bond formation. http://www.nndb.com/people/155/000099855/
