Albert Einstein, a physicist born in Germany in 1879, is known best for his special and general theories of relativity. In the former, published in 1905, he presents an analysis of the motion of both time and material particles in the Universe. His general theory, published in 1916, is a novel interpretation of gravity. These are by no means his sole contributions to science, howevcr. In fact, Einstein won his Nobel Prize in Physics not for his relativity theories, but for his interpretation of a puzzle in electromagnetics which reshaped the way physicists regard light.
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