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(460-370) Proposed the idea that matter was not infinitely divisible.
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(384-322) Believed that atoms moved through empty space.
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Known as the father of modern chemsitry. Founded oxygen and hydrogen. (1778, 1783)
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He invented the cotton gin.
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Disproved Bertholett with the law of definite proportions.
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(1766-1844) Believed atoms can't be created, divided, or destroyed.
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He invented the steamboat.
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Known for his contributions to the molecular theory, including what is known as Avogadro's law.
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The war between the Americans and the British.
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He becomes president.
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Construction begins.
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(1861-1895) Discovered helium and thallium.
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Becomes the new immigration process center.
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Discovered radioactivity.
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Famous for her pioneering research on radioactivity.
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Famous for his special theory of relativity of E = mc^2.
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(1908-1910) Noticed the charge of the electron.
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Is founded.
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(1897-1912) Discovered the electrons and the isotopes.
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Titanic sinks.
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Founder of the quantum theory.
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The first radio begins in the US.
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Made fundamental contributions understanding atomic structure and quantum mechanics.
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Had the concept of the atomic number.
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Known for asserting the uncertainty principle of the quantum theory. He also made important contributions to nuclear physics, quantum field theory, and particle physics.
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Had the theory of electron waves.
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Discovered the neutron.
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Father of nuclear physics, noticed that atoms have their positive charge concentrated in a very small nucleus.
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One of the father of quantum mechanics. Created the Schrodinger equation.