J-L CHARMET / SCIENCE PHOTO LIBRARY J-L CHARMET / SCIENCE PHOTO LIBRARY
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Portrait of Albert Einstein, German-Swiss-American physicist (1879-1955). In 1901, whilst employed at the Patent Office in Berne, Switzerland, he began independent work on physics problems. In 1905 he published papers on the photoelectric effect (which earned him the 1921 Nobel Prize for Physics), the motion of molecules, & most significantly, the special theory of relativity, which includes his famous mass-energy equation. In 1915 an expanded version, the General Theory of Relativity, was published. In 1933, Einstein emigrated to America, to work at Princeton on a theory to unify gravity and electromagnetism. Portrait by Max Wulfart, painted in 1921, Academie.
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