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  He created the "table of atomic weights". He then concluded the dicovery with the atomic theory of matter, his Solid Sphere model.
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  Named the elements oxygen, carbon, and hydrogen. Also came up with combustion and oxygen a role.
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  First person to create an electric current
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  Known for law of constant composition.
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  English Physicist, He showed that cathode rays were composed of unknown negetively charged particles.
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  Created radioactivity
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  Quantum theory
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  Won a Nobel prize. First person to split atom in half.
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  Measured the charge of an electron to see if it was positive, negative, or neutral.
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  Photoelectric effect. Atomic structure
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  First women ever to win a noble prize. She discovered radium an x-rays
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  Came up with atomic structur
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  Auger effect
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  Discovered Nuetrons and there neutral charge.
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  Discovered nuclear fusion
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  Plutonium