请用一段英文，三个句子，描述爱因斯坦生平和成就
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Albert Einstein, born on March 14, 1879, in Ulm, Germany, was a theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics. His famous equation, \(E=mc^2\), describes the relationship between mass and energy, revolutionizing our understanding of the universe. Einstein was awarded the Nobel Prize in Physics in 1921 for his explanation of the photoelectric effect and his significant contributions to theoretical physics.
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