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Answer:
Albert Einstein
Explanation:
Einstein formulated the special and general theories of relativity, completely revising the laws of physics that had been accepted up to that point in time. Among many results was the equation saying matter and energy are the same thing:
![E = mc^2](https://img.qammunity.org/2021/formulas/physics/college/xcttoi17z1tj1nh52kcjfsi9net4oxgs8b.png)