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  Sir Francis Bacon published a book that eventually became the scientific method.
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  Robert Boyle comes up with Boyle's Law, which states that the pressure of a gas is negatively correlated (varies inversely) with the gas's temperature
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  Joseph Priestley discovers the element Oxygen, an element necessary for humans and animals to breathe.
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  Edward Jenner develops the smallpox vaccine, which would eventually save millions of lives.
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  Alessandro Volta invents the electric battery, which we still use today.
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  Dalton makes his own model of an atom, which looks like a microscopic marble.
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  Thomson creates his own model of an atom.
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  Rutherford theorizes the structure of the atomic model and contributes to the atomic theory.
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  Bohr created the modern atomic model and its structure in 1913.